BS 4178-2:1972被替代
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
标准编号： BS 4178-2:1972
发布时间：1972/3/20 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
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.
标准备注
© British Standards Institution 2013
