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发明名称
摘要
申请公布号
JPS5623267(U)
申请公布日期
1981.03.02
申请号
JP19790102582U
申请日期
1979.07.25
申请人
发明人
分类号
B22D41/12;B22D41/00;(IPC1-7):B22D41/00
主分类号
B22D41/12
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代理人
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