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发明名称
摘要
申请公布号
JPS4615427(Y1)
申请公布日期
1971.05.28
申请号
JP19660085673U
申请日期
1966.09.10
申请人
发明人
分类号
(IPC1-7):B21D43/05
主分类号
(IPC1-7):B21D43/05
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代理人
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