BS 4390:1969被替代
Specification for portable pneumatic grinding machines
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 4390:1969
发布时间：1969/6/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：24
标准简介
Dimensions, principal fittings and safety requirements for abrasive wheels up to 250 mm (10 in) nominal diameter.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 488 published 30 April 1970
