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发明名称
摘要
申请公布号
JPS6122202(U)
申请公布日期
1986.02.08
申请号
JP19840107884U
申请日期
1984.07.17
申请人
发明人
分类号
B21B27/03;B21B27/02;(IPC1-7):B21B27/02
主分类号
B21B27/03
代理机构
代理人
主权项
地址
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