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发明名称
VORRICHTUNG ZUR ANZEIGE DER STELLUNG EINES VENTILS
摘要
申请公布号
DE3209361(A1)
申请公布日期
1982.12.02
申请号
DE19823209361
申请日期
1982.03.15
申请人
FERRANTI PLC,GATLEY
发明人
GUY KERR,ANDREW
分类号
F16K3/02;F16K37/00;(IPC1-7):F16K37/00;E21B34/04
主分类号
F16K3/02
代理机构
代理人
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地址
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