Improvements in air admission valves in francis turbines,申请号GB19550019618-传众专利搜索

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发明名称	Improvements in air admission valves in francis turbines
摘要
申请公布号	GB770886(A)	申请公布日期	1957.03.27
申请号	GB19550019618	申请日期	1955.07.07
申请人	AKTIEBOLAGET KARLSTADS MEKANISKA WERKSTAD	发明人
分类号	F03B11/00	主分类号	F03B11/00
代理机构		代理人
主权项
地址

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