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发明名称
摘要
申请公布号
JPS474987(Y1)
申请公布日期
1972.02.22
申请号
JP19690046745U
申请日期
1969.05.22
申请人
发明人
分类号
(IPC1-7):B65H54/46;D01D7/00
主分类号
(IPC1-7):B65H54/46
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代理人
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