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Chinese National Standard Category: Machine tool assistive device and accessory

English Title: Rotating Guide Bush for Needle Roller Type High-Speed Reaming
Chinese Title: 滚针式高速铰孔用旋转导套
Standard No.: HB 445-1987
Category No.: J52
Issued by:
Issued on: 1987-04-08
Implemented on: 1987-9-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:HB 445-1971
Word Count:5500 words
Similar Standards: JB/T 8603.1-1997   JB 3415-1983   GB/T 38759-2020   GB/T 31396.3-2020   GB/T 35094-2018   GB/T 31559-2015   GB/T 31396.1-2015   GB/T 31396.2-2015   GB/T 28388.1-2012   GB/T 28389.2-2012   GB/T 28388.2-2012   GB/T 28389.1-2012   JB/T 9938-2011   JB/T 4370-2011   JB/T 11136-2011   JB/T 9935-2011   JB/T 3996-2011   JB/T 8603.1-2011   JB/T 11173-2011   JB/T 11135-2011  
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