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发明名称
摘要
申请公布号
JPH0641941(U)
申请公布日期
1994.06.03
申请号
JP19920084643U
申请日期
1992.11.12
申请人
发明人
分类号
B21J9/06;B21J13/08;B21K27/00;(IPC1-7):B21K27/00
主分类号
B21J9/06
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代理人
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