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发明名称
摘要
申请公布号
JPS62155920(U)
申请公布日期
1987.10.03
申请号
JP19860041549U
申请日期
1986.03.20
申请人
发明人
分类号
B21D22/06;B21D24/00;B21D28/34;B21D37/08;(IPC1-7):B21D24/00
主分类号
B21D22/06
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