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发明名称
摘要
申请公布号
JPS5315582(U)
申请公布日期
1978.02.09
申请号
JP19760097297U
申请日期
1976.07.21
申请人
发明人
分类号
B21B15/00;B21D15/00;B23D33/00;B23Q7/00;B23Q7/05;B26D7/18;(IPC1-7):B23Q7/00
主分类号
B21B15/00
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