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发明名称
摘要
申请公布号
JPS61182623(U)
申请公布日期
1986.11.14
申请号
JP19850065535U
申请日期
1985.04.30
申请人
发明人
分类号
B21D55/00;B21D37/00;B21D37/04;(IPC1-7):B21D37/00
主分类号
B21D55/00
代理机构
代理人
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