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发明名称
摘要
申请公布号
DE1783089(B2)
申请公布日期
1972.10.26
申请号
DE19641783089
申请日期
1964.01.09
申请人
发明人
分类号
B22F9/10;B22F9/14
主分类号
B22F9/10
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代理人
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地址
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