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发明名称
摘要
申请公布号
JPS6071430(U)
申请公布日期
1985.05.20
申请号
JP19840081215U
申请日期
1984.06.02
申请人
发明人
分类号
B21D28/00;B21D28/10;B30B15/06;B30B15/14;B30B15/28;(IPC1-7):B21D28/00
主分类号
B21D28/00
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代理人
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