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发明名称
摘要
申请公布号
JP2564247(Y2)
申请公布日期
1998.03.04
申请号
JP19920043803U
申请日期
1992.06.24
申请人
发明人
分类号
B21D39/03;F16B4/00;F16B5/00;F16B12/50;(IPC1-7):B21D39/03
主分类号
B21D39/03
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