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| Standard Insuued on: 1989-01 |
GB 12142-1989 Safety standard for light-metal extension ladders
二节轻金属拉伸梯安全标准
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 1989-01-02 |
| Implemented Date: | 1990-10-1 | Abolished Date: | 2008-02-01 |
| Superseded Standard.: | GB 12142-2007 Safety requirements for portable metal ladders |
Superseded Date: | 2008-2-1 |
GB/T 12037-1989
GB/T 12047-1989
FZ/T 01057.11-1999
GB 12021.5-1989
GB/T 11327.2-1989
GB/T 1778.2-1989
GB/T 12038-1989
FZ/T 01057.5-1999
GB/T 12000-2003
TZ 008-198702
HG/T 3422-2000
FZ/T 10013.3-1999
FZ/T 10013.2-1999
GB/T 12138-1989
GB/T 12033-1989
GB/T 12143.2-1989
GB 12140-1989
GB/T 11943-1989
GB/T 12030-1989
GB 12142-1989
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