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申请公布号
JPS5528038(U)
申请公布日期
1980.02.23
申请号
JP19780109504U
申请日期
1978.08.11
申请人
发明人
分类号
B21B39/08;B21B39/00;(IPC1-7):B21B39/00
主分类号
B21B39/08
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