China 'GB/T 37891.3-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 37891.3-2019
Cutter arbors with parallel key and tenon drive—Part 3: Dimensions and designation of tool holders with 7/24 taper for automatic tool changers 带平键和端键传动的铣刀杆 第3部分：带7:24自动换刀圆锥柄刀杆的尺寸和标记
Issued Date:2019
Implemented Date:
Issued by:
The Standardization Administration of the People's Republic of China
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