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| Standard Insuued on: 1999-06 |
JB/T 7912-1999 General purpose screw threads - Selected slzes for commerclal screws，bolts and nuts
商品紧固件的普通螺纹选用系列
| Category No.: | JB | Valid Status: | superseded |
| Issued Organization: | National Technical Committee on Standardization of Screw Threads | Issued Date: | 1999-06-24 |
| Implemented Date: | 2000-6-24 | Abolished Date: | |
| Superseded Standard.: | GB/T 9144-2003 General purpose metric screw threads―Preferable plan |
Superseded Date: | 2004-1-1 |
HG/T 3623-1999
HG/T 3627-1999
GB/T 4840.1-1999
GB/T 4840.3-1999
HG/T 3628-1999
JG/T 13-1999
JB 3169-1982
CJ/T 16~21-1999
HG/T 3658-1999
CB/T 3045-1999
HG/T 3641-1999
HG/T 3639-1999
HG/T 3638-1999
HG/T 3635-1999
CECS : 107-2000
JB/T 4385.1-1999
JB/T 4153-1999
JB/T 4007-1999
JB/T 4022.2-1999
JB/T 7912-1999
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