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发明名称
摘要
申请公布号
JPH0716712(B2)
申请公布日期
1995.03.01
申请号
JP19860050333
申请日期
1986.03.10
申请人
发明人
分类号
B21D5/01;B21C37/08;B23K9/025;(IPC1-7):B21D5/01
主分类号
B21D5/01
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