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发明名称
摘要
申请公布号
JPS60160927(U)
申请公布日期
1985.10.25
申请号
JP19840048021U
申请日期
1984.04.03
申请人
发明人
分类号
B21D5/12;(IPC1-7):B21D5/12
主分类号
B21D5/12
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代理人
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