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发明名称
Fluid flow alarm device
摘要
申请公布号
GB2109560(A)
申请公布日期
1983.06.02
申请号
GB19810029148
申请日期
1981.09.26
申请人
J AND R * HILL
发明人
JOSEPH JOHN * HILL;FRED MORTIMER * BAILEY;THOMAS DENNIS * LITCHFIELD;THOMAS RAYMOND * BOWYER
分类号
E21C35/04;E21F17/18;G08B3/06;(IPC1-7):G01F1/07;E21C35/00
主分类号
E21C35/04
代理机构
代理人
主权项
地址
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