Improvements in or relating to fluid flow control valves,申请号GB19520007545-传众专利搜索

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发明名称	Improvements in or relating to fluid flow control valves
摘要
申请公布号	GB735640(A)	申请公布日期	1955.08.24
申请号	GB19520007545	申请日期	1952.03.24
申请人	NORMALAIR LIMITED	发明人	TREGANOWAN BERNARD ERIC;STEPHENS RONALD JOHN
分类号	G05D7/01	主分类号	G05D7/01
代理机构		代理人
主权项
地址

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