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发明名称
摘要
申请公布号
JPS5944639(U)
申请公布日期
1984.03.24
申请号
JP19820139030U
申请日期
1982.09.13
申请人
发明人
分类号
B21J13/08;B21J13/14;B21K27/00;B21K27/02;(IPC1-7):B21J13/08
主分类号
B21J13/08
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