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Assembly tools for screws and nuts-open-end double-head engineers wrenches, double-head box wrenches and combination wrenches maximum outside dimensions of heads
Translate name
STANDARD published on 1.1.1984
Designation standards: GB 4389-1984
Note: WITHDRAWN
Publication date standards: 1.1.1984
SKU: NS-1235155
Country: Chinese technical standard
Category: Technical standards GB
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Latest update: 2025-10-15 (Number of items: 2 238 420)
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