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Chinese National Standard Category: Environmental monitoring instrument and its complete equipment |
English Title: | Specification for Design of Combustible Gas and Toxic Gas Detection and Alarm for Petrochemical Industry |
Chinese Title: | 石油化工可燃气体和有毒气体检测报警设计规范 |
Standard No.: | GB 50493-2009 |
Category No.: | N56 |
Issued by: | AQSIQ, MOC |
Issued on: | 2009-03-19 |
Implemented on: | 2009-10-1 |
Status: | superseded |
Superseded by: | GB/T 50493-2019 Standard for design of combustible gas and toxic gas detection and alarm for petrochemical industry |
Superseded on: | 2020-1-1 |
Abolished on: | |
Superseding: | |
Word Count: | 6500 words |
Similar Standards: | T/CAEPI 28-2020 GB 50493-2009 HJ/T 377-2007 HJ/T 372-2007 HJ/T 354-2007 HJ/T 353-2007 HJ/T 355-2007 HJ/T 356-2007 JJG 1022-2007 GB 12358-2006 GB/T 18809-2002 HJ/T 48-1999 HJ/T 46-1999 HJ/T 47-1999 CJ/T 38-1999 MT 502-1996 MT 424-1995 MT 51-1994 MT 275-1994 MT 273-1994 |
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