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Chinese Standard: GB/T 7489-1987

Water quality—Determination of dissolved oxygen—Iodometric method

EQV  ISO 5813-1983

This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.    

 

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