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发明名称
摘要
申请公布号
JPS5225712(Y2)
申请公布日期
1977.06.11
申请号
JP19720045527U
申请日期
1972.04.17
申请人
发明人
分类号
F16K11/06;F16K11/22;(IPC1-7):F16K11/06
主分类号
F16K11/06
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