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发明名称
摘要
申请公布号
JPS4740619(Y1)
申请公布日期
1972.12.08
申请号
JP19680108859U
申请日期
1968.12.13
申请人
发明人
分类号
B65H49/30;(IPC1-7):B65H49/30
主分类号
B65H49/30
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代理人
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