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发明名称
摘要
申请公布号
JPS49112236(U)
申请公布日期
1974.09.25
申请号
JP19730009761U
申请日期
1973.01.20
申请人
发明人
分类号
G03B27/14;B65H26/08;G03G13/00;G03G15/00;(IPC1-7):G03B27/14
主分类号
G03B27/14
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