GB/T 23937-2009
Sodium hydrosulfide for industrial use

2021-10
Standard No.
GB/T 23937-2009
Language
Chinese
Release Date
2009
Published By
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
Replace By
GB/T 23937-2020
Lastest
GB/T 23937-2020

GB/T 23937-2009 history




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