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发明名称
摘要
申请公布号
JPS62199204(U)
申请公布日期
1987.12.18
申请号
JP19860087484U
申请日期
1986.06.09
申请人
发明人
分类号
B21B28/04;(IPC1-7):B21B28/04
主分类号
B21B28/04
代理机构
代理人
主权项
地址
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