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发明名称
摘要
申请公布号
JPS4925362(Y1)
申请公布日期
1974.07.09
申请号
JP19700121077U
申请日期
1970.12.05
申请人
发明人
分类号
B22D29/04;B41B11/00;(IPC1-7):B41B11/00
主分类号
B22D29/04
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