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| International Standard Category: Agricultural tractors and trailed vehicles |
GB/T 7120-1986 Three-Point hitch implement quick-attaching coupler of agricultural wheeled tractors--Category 3N
农用轮式拖拉机三点悬挂农具快速挂接器 3N类 ;
| Category No.: | 65.060.10 | Valid Status: | superseded |
| Issued Organization: | China Machinery Industry Federation | Issued Date: | 1986-12-30 |
| Implemented Date: | 1987-9-1 | Abolished Date: | 1999-07-01 |
| Superseded Standard.: | GB/T 7120-2009 Three-point quick-attaching coupler of implement to agricultural wheeled tractors—Category 3N、4N |
Superseded Date: | 2010-5-1 |
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