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经营范围
发明名称
Manufacture of disc tools with accurately-formed annular ridges and grooves
摘要
申请公布号
GB462575(A)
申请公布日期
1937.03.11
申请号
GB19360005476
申请日期
1936.02.24
申请人
ALFRED HERBERT LIMITED;ARTHUR HAROLD LLOYD;HARRY BOOTH
发明人
分类号
B24B19/02
主分类号
B24B19/02
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