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发明名称
摘要
申请公布号
JPS6277619(U)
申请公布日期
1987.05.18
申请号
JP19850168982U
申请日期
1985.10.31
申请人
发明人
分类号
B21D22/16;B21D37/04;(IPC1-7):B21D22/16
主分类号
B21D22/16
代理机构
代理人
主权项
地址
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