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发明名称
摘要
申请公布号
JPS54159226(U)
申请公布日期
1979.11.07
申请号
JP19780055864U
申请日期
1978.04.28
申请人
发明人
分类号
F16K15/18;F16K15/02;F16K35/02;(IPC1-7):F16K35/02
主分类号
F16K15/18
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