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发明名称
摘要
申请公布号
JPS553162(Y2)
申请公布日期
1980.01.25
申请号
JP19750020800U
申请日期
1975.02.15
申请人
发明人
分类号
B21B39/14;B65H29/34;B65H29/36;B65H31/10;B65H31/20;B65H31/36;(IPC1-7):B65H31/10
主分类号
B21B39/14
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代理人
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