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发明名称
摘要
申请公布号
DE1458174(B2)
申请公布日期
1970.09.17
申请号
DE19631458174
申请日期
1963.10.01
申请人
发明人
分类号
B22F9/08;B22F9/10;B22F9/12
主分类号
B22F9/08
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代理人
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地址
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