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发明名称
摘要
申请公布号
JPS51124991(U)
申请公布日期
1976.10.08
申请号
JP19750047186U
申请日期
1975.04.07
申请人
发明人
分类号
B21D19/08;B21D19/12;B21H3/10;B23G5/06;B23G5/20;(IPC1-7):B23G5/06;B21D23/34
主分类号
B21D19/08
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代理人
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