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发明名称
摘要
申请公布号
JPS632190(Y2)
申请公布日期
1988.01.20
申请号
JP19820070972U
申请日期
1982.05.14
申请人
发明人
分类号
B21D53/08;B21D53/02;F25B41/00;F25B43/00;F28F9/26;(IPC1-7):B21D53/02
主分类号
B21D53/08
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