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发明名称
摘要
申请公布号
JPS632217(Y2)
申请公布日期
1988.01.20
申请号
JP19820105030U
申请日期
1982.07.10
申请人
发明人
分类号
B22D41/12;B08B15/02;B22D43/00;(IPC1-7):B22D43/00
主分类号
B22D41/12
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代理人
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