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发明名称
A new or improved method of polishing surfaces
摘要
申请公布号
GB501986(A)
申请公布日期
1939.03.09
申请号
GB19370024655
申请日期
1937.09.10
申请人
OSCAR BROWNING CRISP
发明人
分类号
C11D17/04
主分类号
C11D17/04
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代理人
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