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发明名称
摘要
申请公布号
US2924004(A)
申请公布日期
1960.02.09
申请号
USD2924004
申请日期
申请人
发明人
分类号
C22C27/04;C23C10/30;C23C30/00
主分类号
C22C27/04
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代理人
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地址
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