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Chinese National Standard Category: Metal equipment and process pipe installation engineering |
English Title: | Preparation of requirements for instrumentation construction and erection |
Chinese Title: | 仪表施工安装要求的编制 |
Standard No.: | HG/T 20637.4-1998 |
Category No.: | P94 |
Issued by: | State Bureau of Petroleum and Chemical Industries |
Issued on: | 1998-6-22 |
Implemented on: | 1999-1-1 |
Status: | superseded |
Superseded by: | HG/T 20637.4-2017 |
Superseded on: | 2018-4-1 |
Abolished on: | |
Superseding: | |
Word Count: | 9000 words |
Similar Standards: | T/ZAWS 001-2024 DB37/T 3069-2017 GB/T 31032-2014 HG/T 20679-2014 YS/T 5420-2014 YS/T 5423-2014 YS/T 5422-2014 YS/T 5419-2013 GB 50683-2011 GB/T 50538-2010 GB 50184-2011 GB 50236-2011 GB 50235-2010 SY 4118-2010 SY 4209-2008 SY 4208-2008 SY/T 4114-2008 SY 4203-2007 SY 4204-2007 SY 4202-2007 |
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