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发明名称
摘要
申请公布号
JPS55116702(U)
申请公布日期
1980.08.18
申请号
JP19790013057U
申请日期
1979.02.03
申请人
发明人
分类号
B21B27/08;(IPC1-7):B21B27/08
主分类号
B21B27/08
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代理人
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地址
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