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| International Standard Category: Rolling bearings |
JB/T 6639-2004 Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications
滚动轴承零件骨架式丁腈橡胶密封圈技术条件;
| Category No.: | 21.100.20 | Valid Status: | superseded |
| Issued Organization: | SDPC | Issued Date: | 2004-2-10 |
| Implemented Date: | 2004-6-1 | Abolished Date: | |
| Superseded Standard.: | JB/T 6639-2015 Rolling bearing parts—Skeleton acrylonitrile-buta-diene copolymers seal-Specifications |
Superseded Date: | 2016-3-1 |
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