IMPROVEMENTS RELATING TO BUTTERFLY VALVES,申请号GB19670020586-传众专利搜索

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发明名称	IMPROVEMENTS RELATING TO BUTTERFLY VALVES
摘要
申请公布号	GB1223991(A)	申请公布日期	1971.03.03
申请号	GB19670020586	申请日期	1967.03.02
申请人	THE ENGLISH ELECTRIC COMPANY LIMITED	发明人	GLEB KERENSKY
分类号	F16K1/226;F16L55/10	主分类号	F16K1/226
代理机构		代理人
主权项
地址

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