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发明名称
Improvements in fluid control valves
摘要
申请公布号
GB516838(A)
申请公布日期
1940.01.12
申请号
GB19380021634
申请日期
1938.07.21
申请人
GEORGE WILSON GAS METERS LIMITED;DONALD CHARLES EDWARD POOLE
发明人
分类号
G07F15/00
主分类号
G07F15/00
代理机构
代理人
主权项
地址
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