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| International Standard Category: Gas pressure vessels, gas cylinders |
GB 7144-1999 Coloured cylinder mark for gases
气瓶颜色标志 ;
| Category No.: | 23.020.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 1999-12-17 |
| Implemented Date: | 2000-10-1 | Abolished Date: | 2016-09-01 |
| Superseded Standard.: | GB/T 7144-2016 Coloured cyliner mark for gases |
Superseded Date: | 2016-9-1 |
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