GB/T 4258-1984

Countersinks with parallel shanks for angles 60°90°and 120°inclusive

NORMA vydána dne 28.3.1984

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The information about the standard:

Designation standards: GB/T 4258-1984
Note: NEPLATNÁ
Publication date standards: 28.3.1984
Country: Chinese technical standard
Kategorie: Technické normy GB