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经营范围
发明名称
CHEMICAL ENGRAVING OF ALUMINUM
摘要
申请公布号
US3503816(A)
申请公布日期
1970.03.31
申请号
USD3503816
申请日期
1967.01.18
申请人
ALUMINUM CO. OF AMERICA
发明人
WALTER G. ZELLEY
分类号
C23F1/36;(IPC1-7):C23F1/02;B41C1/00
主分类号
C23F1/36
代理机构
代理人
主权项
地址
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