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摘要
申请公布号
JP2544786(Y2)
申请公布日期
1997.08.20
申请号
JP19900055294U
申请日期
1990.05.29
申请人
发明人
分类号
F16K27/00;F16K11/07;(IPC1-7):F16K11/07
主分类号
F16K27/00
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