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发明名称
摘要
申请公布号
JPS5358923(U)
申请公布日期
1978.05.19
申请号
JP19760140609U
申请日期
1976.10.21
申请人
发明人
分类号
B22D41/02;B28B11/00;B28B13/02;F27D1/16;(IPC1-7):B22D41/02
主分类号
B22D41/02
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代理人
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