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Chinese National Standard Category: Cutting tools |
English Title: | Taper shank twist drills-Part 1: The types and dimensions for Morse taper shank twist drills |
Chinese Title: | 锥柄麻花钻 第1部分:莫氏锥柄麻花钻的型式和尺寸 |
Standard No.: | GB/T 1438.1-1996 |
Category No.: | J41 |
Issued by: | STSB |
Issued on: | 1996-07-05 |
Implemented on: | 1997-2-1 |
Status: | superseded |
Superseded by: | GB/T 1438.1-2008 Taper shank twist drills—Part 1:The types and dimensions for Morse taper shank twist drills |
Superseded on: | 2009-4-1 |
Abolished on: | 2009-04-01 |
Superseding: | GB 1438-1985 Taper shank twist drills GB 1441-1985 Twist drills with oversize taper shank |
Word Count: | 3000 words |
Similar Standards: | GB 1440-1985 GB 1121-1985 GB/T 1109-2004 JC 340-1992(1996) GB/T 14299-1993 GB/T 1142-2004 GB 1436-1985 GB 1127-1981 GB/T 3832.1-2004 GB/T 1135-2004 GB 6129-1985 GB/T 4261-1984 GB/T 4251-2004 GB/T 4267-2004 GB/T 3832.3-2004 GB 6134-1985 GB/T 14329.1-1993 GB/T 3832.2-2004 GB 1437-1985 GB/T 4253-2004 |
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