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发明名称
Improvements relating to abrasive preparations and their method of manufacture
摘要
申请公布号
GB670034(A)
申请公布日期
1952.04.09
申请号
GB19490010791
申请日期
1949.04.22
申请人
R. SIMON & COMPANY LIMITED;RUDOLF SIMON
发明人
分类号
C11D7/44
主分类号
C11D7/44
代理机构
代理人
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