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Chinese National Standard Category: Other material composition analyzer |
English Title: | General technical specifications for cleaners of welding fume |
Chinese Title: | 呼吸性粉尘个体采样器技术条件 |
Standard No.: | LD 40-1992 |
Category No.: | N55 |
Issued by: | |
Issued on: | 1992-12-19 |
Implemented on: | 1993-10-1 |
Status: | superseded |
Superseded by: | AQ 4204-2008 Personal sampler for respirable dust |
Superseded on: | 2009-1-1 |
Abolished on: | 2009-01-01 |
Superseding: | |
Word Count: | words |
Similar Standards: | HJ/T 93-2003 LD 40-1992 QB/T 1676-1992 |
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