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Chinese Industry Standard: CJ/T 121-2000

Composite material inspection well lid of regenerated resin

再生树脂复合材料检查井盖

中华人民共和国建设部

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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