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经营范围
发明名称
Chemisches Polieren von Aluminium
摘要
申请公布号
DE1919559(A1)
申请公布日期
1970.11.05
申请号
DE19691919559
申请日期
1969.04.17
申请人
COHN,CHARLES CALVIN;COHN,SAMUEL LENARD COLONIAL ALLOYS COMPANY
发明人
CALVIN COHN,CHARLES
分类号
C23F3/03
主分类号
C23F3/03
代理机构
代理人
主权项
地址
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