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发明名称
摘要
申请公布号
JPS5659371(U)
申请公布日期
1981.05.21
申请号
JP19790142527U
申请日期
1979.10.15
申请人
发明人
分类号
F16K27/08;(IPC1-7):F16K27/08
主分类号
F16K27/08
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