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发明名称
摘要
申请公布号
JPS474480(Y1)
申请公布日期
1972.02.16
申请号
JP19670015234U
申请日期
1967.02.23
申请人
发明人
分类号
(IPC1-7):F16K13/00;F16K35/00;F16L37/28;F16K5/00
主分类号
(IPC1-7):F16K13/00
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