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发明名称
摘要
申请公布号
JPS59501220(A)
申请公布日期
1984.07.12
申请号
JP19830502222
申请日期
1983.06.30
申请人
发明人
分类号
B21B1/16;B21G3/12;B21G3/30;B21H8/00;E04C5/01;E04C5/03
主分类号
B21B1/16
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