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发明名称
摘要
申请公布号
JPS4714952(Y1)
申请公布日期
1972.05.27
申请号
JP19680077643U
申请日期
1968.09.05
申请人
发明人
分类号
(IPC1-7):D06F39/08;F16K11/04
主分类号
(IPC1-7):D06F39/08
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