
Specification for dental rotary instruments. Shapes and sizes of heads of dental burs
出版:British Standards Institution

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基本信息
標準編號: BS 4178-2:1972
發布時間:1972/3/20 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:0
標準簡介
Specifies a range of shapes and sizes including dimensional details, for heads of steel and tungsten carbide dental burs used in straight, angle and friction dental handpieces. Also includes a new internationally agreed numbering system using a figure indicating the nominal head size in mm/10.
標準備注
? British Standards Institution 2013