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| International Standard Category: Ceilings. Floors. Stairs |
JG/T 3002.1-1992 Residential stair Prefabricated concrete flights
住宅楼梯 预制混凝土梯段 ;
| Category No.: | 91.060.30 | Valid Status: | superseded |
| Issued Organization: | MOC | Issued Date: | |
| Implemented Date: | Abolished Date: | ||
| Superseded Standard.: | JG/T 562-2018 Precast concrete stair 强制性推荐性标准 |
Superseded Date: | 2018-12-1 |
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