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发明名称
摘要
申请公布号
JPH01114121(U)
申请公布日期
1989.08.01
申请号
JP19880007588U
申请日期
1988.01.26
申请人
发明人
分类号
B21D43/00;B21D28/04;(IPC1-7):B21D28/04
主分类号
B21D43/00
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代理人
主权项
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