
TECHNICAL SUPPLY CONDITIONS FOR THREADED STEEL FASTENERS - PART 1: GENERAL REQUIREMENTS FOR BOLTS, SCREWS, STUDS AND NUTS
出版:Bureau of Indian Standards

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TECHNICAL SUPPLY CONDITIONS FOR THREADED STEEL FASTENERS - PART 1: GENERAL REQUIREMENTS FOR BOLTS, SCREWS, STUDS AND NUTS
出版:Bureau of Indian Standards
专家解读视频