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| Standard Insuued on: 1991-03 |
GB/T 12777-1991 General specification of metallic bellows expansion joints
金属波纹管膨胀节通用技术条件
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1991-03-26 | |
| Implemented Date: | 1992-1-1 | Abolished Date: | 2000-03-01 |
| Superseded Standard.: | GB/T 12777-1999 General specification for metal bellows expansion joints |
Superseded Date: | 2000-3-1 |
GB 4706.26-1991
GB/T 12776-1991
GB 4706.24-1991
GB 12742-1991
GB/T 12366.4-1991
SH 0007-1990
SH/T 0024-1990
SH/T 0017-1990(2007)
SH 0001-1990
GB/T 12738-1991
GB 12941-1991
GB/T 12741-1991
GB/T 12740-1991
GB/T 12739-1991
GB/T 12763.1-1991
GB/T 2774-1991
GB/T 3214-1991
GB/T 12764-1991
QB/T 1023-1991
QB/T 1012-1991
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