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经营范围
发明名称
Improvements in or relating to copper base alloys
摘要
申请公布号
GB471291(A)
申请公布日期
1937.09.01
申请号
GB19360024500
申请日期
1936.09.08
申请人
THE AMERICAN BRASS COMPANY
发明人
分类号
C22C9/00
主分类号
C22C9/00
代理机构
代理人
主权项
地址
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