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发明名称
摘要
申请公布号
JP3012086(U)
申请公布日期
1995.06.06
申请号
JP19940015101U
申请日期
1994.12.07
申请人
发明人
分类号
B21D37/20;B21J13/02;F16L35/00;(IPC1-7):B21J13/02
主分类号
B21D37/20
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代理人
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