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发明名称
摘要
申请公布号
JPS5744603(U)
申请公布日期
1982.03.11
申请号
JP19800119045U
申请日期
1980.08.21
申请人
发明人
分类号
B21B27/02;B21B13/08;B21B13/12;B21B27/03;(IPC1-7):B21B27/02
主分类号
B21B27/02
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