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发明名称
摘要
申请公布号
JPS5999005(U)
申请公布日期
1984.07.04
申请号
JP19820193781U
申请日期
1982.12.21
申请人
发明人
分类号
B21B31/10;(IPC1-7):B21B31/10
主分类号
B21B31/10
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