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International Standard Category: Seismic and vibration protection |
Category No.: | 91.120.25 | Valid Status: | superseded |
Issued Organization: | State Quality and Technology Supervision Bureau | Issued Date: | 1999-04-02 |
Implemented Date: | 1999-1-1 | Abolished Date: | |
Superseded Standard.: | GB 17740-2017 General ruler for earthquake magnitude |
Superseded Date: | 2017-12-1 |
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