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发明名称
Aluminum alloy rivet
摘要
申请公布号
US2252361(A)
申请公布日期
1941.08.12
申请号
US19390299808
申请日期
1939.10.17
申请人
WALTHER H. DUISBERG
发明人
BOTHMANN HANS;MANNCHEN WALTER
分类号
C22C21/12
主分类号
C22C21/12
代理机构
代理人
主权项
地址
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