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申请公布号
JPS5724419(Y2)
申请公布日期
1982.05.27
申请号
JP19750104354U
申请日期
1975.07.28
申请人
发明人
分类号
B21D24/00;B21D22/20;B21D37/00;B21D37/02;B21J13/02;(IPC1-7):B21J13/02
主分类号
B21D24/00
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