
Implants for osteosynthesis. Bone screws and auxiliary equipment. Specification for screws having symmetrical and asymmetrical thread and conical undersurfaces
出版:British Standards Institution

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Dimensions and tolerances for bone screws of nominal sizes 4,5 mm, 4,2 mm, 4,0 mm , 3,9 mm, 3,5 mm and 2,9 mm.
? British Standards Institution 2013
ISO 9268:1988 - Identical