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Chinese National Standard Category: Industrial dust and gas prevention technology |
English Title: | Gas detector tube units |
Chinese Title: | 气体检测管装置 |
Standard No.: | GB 7230-1987 |
Category No.: | C70 |
Issued by: | China State Bureau of Standards |
Issued on: | 1987-02-04 |
Implemented on: | 1987-10-1 |
Status: | abolished |
Superseded by: | GB/T 7230-2008 Gas detector tube measurement system |
Superseded on: | 2009-12-1 |
Abolished on: | 2009-12-01 |
Superseding: | |
Word Count: | 2000 words |
Similar Standards: | T/CAEPI 33-2021 GB/T 42392-2023 GB/T 42398-2023 GB/T 25915.15-2022 GB/T 25915.13-2022 GB/T 25915.14-2022 GB/T 40868-2021 GB/T 25915.2-2021 GB/T 25915.1-2021 GB/T 25915.8-2021 GB/T 25915.10-2021 T/CAME 27-2021 WS/T 679-2020 WS/T 680-2020 GB/T 38800-2020 GB/T 36527-2018 GB/T 36372-2018 GB/T 36306-2018 GB/T 25915.9-2018 GB/T 36370-2018 |
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