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Chinese Standard: GB 14891.8-1997

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Chinese Standard: GB 14891.7-1997

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Chinese Standard: GB 14891.6-1994

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Chinese Standard: GB 14891.5-1997

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Chinese Standard: GB 14891.4-1997

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Chinese Standard: GB 14891.3-1997

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Chinese Standard: GB 14891.2-1994

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Chinese Standard: GB 14891.1-1997

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Chinese Standard: GB 14887-2011

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Chinese Standard: GB 14886-2016

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Chinese Standard: GB 14882-1994

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Chinese Standard: GB 14866-2006

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Chinese Standard: GB 14784-2013

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Chinese Standard: GB 14773-2007

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Chinese Standard: GB 14749-2006

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Chinese Standard: GB 14748-2006

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Chinese Standard: GB 14747-2006

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Chinese Standard: GB 14746-2006

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Chinese Standard: GB 14740-1993

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Chinese Standard: GB 14723-2008

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Chinese Standard: GB 14722-2008

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Chinese Standard: GB 14681.2-2006

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Chinese Standard: GB 14681.1-2006

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Chinese Standard: GB 146.2-1983

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Chinese Standard: GB 146.1-1983

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Chinese Standard: GB 14586-1993

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Chinese Standard: GB 14585-1993

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Chinese Standard: GB 14569.3-1995

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Chinese Standard: GB 14554-1993

$10

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Chinese Standard: GB 14544-2008

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Chinese Standard: GB 14500-2002

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Chinese Standard: GB 14493-2003

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Chinese Standard: GB 14470.2-2002

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Chinese Standard: GB 14470.1-2002

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Chinese Standard: GB 14444-2006

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Chinese Standard: GB 14391-2009

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Chinese Standard: GB 14374-1993

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Chinese Standard: GB 14371-2013

$10

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Chinese Standard: GB 14287.4-2014

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Chinese Standard: GB 14287.3-2014

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Chinese Standard: GB 14287.2-2014

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Chinese Standard: GB 14287.1-2014

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Chinese Standard: GB 14249.1-1993

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Chinese Standard: GB 14232.3-2011

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Chinese Standard: GB 14232.1-2004

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Chinese Standard: GB 142-2013

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Chinese Standard: GB 14196.3-2008

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Chinese Standard: GB 14196.2-2008

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Chinese Standard: GB 14196.1-2008

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Chinese Standard: GB 14192-2005

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Chinese Standard: GB 14167-2013

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Chinese Standard: GB 14166-2013

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Chinese Standard: GB 14102-2005

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