GB/T 6138.2-1997

Subland twist drills for holes prior to tapping screw threads—Part 2:The types and dimensions for subland twist drills with Morse shanks

NORMA vydána dne 28.8.1997

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The information about the standard:

Designation standards: GB/T 6138.2-1997
Note: NEPLATNÁ
Publication date standards: 28.8.1997
Country: Chinese technical standard
Kategorie: Technické normy GB