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申请公布号
JPS54159331(U)
申请公布日期
1979.11.07
申请号
JP19780057346U
申请日期
1978.04.28
申请人
发明人
分类号
F16K1/18;F16K1/20;(IPC1-7):F16K1/20
主分类号
F16K1/18
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