Technical drawings. General principles of presentation - Lines on mechanical engineering drawings Ingestion-build-126766 5 - Taps and drills

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The titles have changed in order to comply with the current directives and to accommodate the multipart structure

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Technical drawings. General principles of presentation - Lines on mechanical engineering drawings Ingestion-build-126766 5 - Taps and drills1 Scope This part of ISO 128 specifies general rules and basic conventions for the types of lines on mechanical engineering drawings.