Assembly tools for screws and nuts-open-end double-head engineers wrenches, double-head box wrenches and combination wrenches maximum outside dimensions of heads
NORMA vydána dne 1.1.1984
Designation standards: GB 4389-1984
Note: NEPLATNÁ
Publication date standards: 1.1.1984
Country: Chinese technical standard
Kategorie: Technické normy GB