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发明名称
摘要
申请公布号
JPS601537(U)
申请公布日期
1985.01.08
申请号
JP19830094078U
申请日期
1983.06.16
申请人
发明人
分类号
B21F3/04;B21F3/02;(IPC1-7):B21F3/02
主分类号
B21F3/04
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