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发明名称
摘要
申请公布号
JPS4711574(Y1)
申请公布日期
1972.04.28
申请号
JP19690023803U
申请日期
1969.03.17
申请人
发明人
分类号
(IPC1-7):D07B9/00;D03C3/40
主分类号
(IPC1-7):D07B9/00
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