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发明名称
摘要
申请公布号
JPS61190315(U)
申请公布日期
1986.11.27
申请号
JP19860005792U
申请日期
1986.01.18
申请人
发明人
分类号
B21D13/04;(IPC1-7):B21D13/04
主分类号
B21D13/04
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代理人
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