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发明名称
摘要
申请公布号
JPS52115929(U)
申请公布日期
1977.09.02
申请号
JP19760022972U
申请日期
1976.03.01
申请人
发明人
分类号
F16K15/18;F16K15/03;(IPC1-7):F16K15/03
主分类号
F16K15/18
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