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发明名称
摘要
申请公布号
DE1458315(A1)
申请公布日期
1968.10.17
申请号
DE1962A041565
申请日期
1962.11.07
申请人
发明人
分类号
B22F3/10;B22F3/11;B22F3/26;C22C1/04
主分类号
B22F3/10
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