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发明名称
Method of manufacturing abrasive material
摘要
申请公布号
GB512768(A)
申请公布日期
1939.09.25
申请号
GB19370033206
申请日期
1937.12.01
申请人
BORIS SINAY;MENDEL MENDELSON
发明人
分类号
B24D3/08;B24D18/00
主分类号
B24D3/08
代理机构
代理人
主权项
地址
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