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| International Standard Category: Washers, locking elements |
GB/T 18230.7-2000 Hexagon nuts for structural bolting-style 2,hot-dip galvanized (oversize tapped)-Product grade A-Property class 9
栓接结构用2型六角螺母热浸镀锌（加大攻丝尺寸）A级 9级 ;
| Category No.: | 21.060.30 | Valid Status: | abolished |
| Issued Organization: | State Quality and Technology Supervision Bureau | Issued Date: | 2000-10-17 |
| Implemented Date: | 2001-5-1 | Abolished Date: | 2017-12-15 |
| Superseded Standard.: | Superseded Date: |
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