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发明名称
摘要
申请公布号
LU75863(A1)
申请公布日期
1977.05.06
申请号
LU19760075863
申请日期
1976.09.23
申请人
发明人
分类号
B22D23/06;B22D27/02;C22B9/18;C22B9/187;F27D11/08;(IPC1-7):H05B/;B22D/;F27D/
主分类号
B22D23/06
代理机构
代理人
主权项
地址
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