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发明名称
摘要
申请公布号
JPS5316970(Y2)
申请公布日期
1978.05.06
申请号
JP19730099221U
申请日期
1973.08.23
申请人
发明人
分类号
F16K5/00;F16K27/12;F16K51/00;F16L55/00;(IPC1-7):F16K5/00
主分类号
F16K5/00
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