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发明名称
Process for making self improving aluminum alloys
摘要
申请公布号
US1846558(A)
申请公布日期
1932.02.23
申请号
US19300423550
申请日期
1930.01.25
申请人
SIEGFRIED JUNGHANS
发明人
JUNGHANS SIEGFRIED
分类号
C22C21/12
主分类号
C22C21/12
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代理人
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地址
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