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发明名称
摘要
申请公布号
JPS5290515(U)
申请公布日期
1977.07.06
申请号
JP19750180129U
申请日期
1975.12.29
申请人
发明人
分类号
B22D13/10;B22D37/00;B22D43/00;(IPC1-7):B22D13/10
主分类号
B22D13/10
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代理人
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