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发明名称
Improvements in or relating to grinding wheels
摘要
申请公布号
GB856662(A)
申请公布日期
1960.12.21
申请号
GB19580015080
申请日期
1958.05.12
申请人
ERNST BISTERFELD
发明人
分类号
B24D5/04;B24D5/06;B24D5/08;B24D18/00
主分类号
B24D5/04
代理机构
代理人
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