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发明名称
摘要
申请公布号
JPS6013528(Y2)
申请公布日期
1985.04.30
申请号
JP19810119741U
申请日期
1981.08.11
申请人
发明人
分类号
B21D5/08;B21B27/02;B21B27/03;B23P11/00;B23P11/02;(IPC1-7):B21B27/02
主分类号
B21D5/08
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代理人
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