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Chinese National Standard Category: Water treatment agent |
English Title: | Water treatment chemicals 1-Hydroxyethylidene 1, 1-diphosphonic acid |
Chinese Title: | 水处理剂 羟基亚乙基二膦酸 |
Standard No.: | HG/T 3537-1999 |
Category No.: | G77 |
Issued by: | |
Issued on: | 1999-04-20 |
Implemented on: | 2000-12-1 |
Status: | abolished |
Superseded by: | HG/T 3537-2010 Water treatment chemicals - 1 - Hydroxyethylidene - 1 1 - Diphosphonate acid (solid) |
Superseded on: | 2011-3-1 |
Abolished on: | 2011-03-01 |
Superseding: | HG/T 3537-1989 |
Word Count: | 4500 words |
Similar Standards: | GB 10537-1989 GB 10534-1989 GB/T 20783-2023 GB/T 29341-2022 GB/T 22627-2022 GB 15892-2020 GB/T 23854-2019 GB/T 4482-2018 GB/T 14591-2016 GB/T 10531-2016 GB/T 33085-2016 T/SHXH 03-2016 T/SHXH 010-2016 HY/T 190-2015 GB 31060-2014 HY/T 189-2015 GB/T 31246-2014 GB/T 22627-2014 HG/T 4672-2014 HG/T 3925-2014 |
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