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发明名称
摘要
申请公布号
JPS6145973(Y2)
申请公布日期
1986.12.24
申请号
JP19810155924U
申请日期
1981.10.19
申请人
发明人
分类号
B22D41/12;(IPC1-7):B22D41/12
主分类号
B22D41/12
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代理人
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