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发明名称
摘要
申请公布号
JPH0110084(Y2)
申请公布日期
1989.03.22
申请号
JP19820020594U
申请日期
1982.02.16
申请人
发明人
分类号
B21B31/18;B21B13/14;B21B29/00;B21B31/07;(IPC1-7):B21B13/14
主分类号
B21B31/18
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