GB/T 4389-2026

Double-headed open-ended wrenches, double-headed box wrenches and combination wrenches—Maximum widths of heads

NORM herausgegeben am 28.9.2026

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The information about the standard:

Designation standards: GB/T 4389-2026
Note: Execute Date: april 2027
Publication date standards: 28.9.2026
Country: Chinese technical standard
Kategorie: Technische Normen GB