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International Standard Category: Gas pressure vessels, gas cylinders |
Category No.: | 23.020.30 | Valid Status: | superseded |
Issued Organization: | Issued Date: | 1989-12-29 | |
Implemented Date: | 1990-10-1 | Abolished Date: | |
Superseded Standard.: | GB/T 12137-2002 Method for leakage test of gas cylinders |
Superseded Date: | 2002-1-1 |
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