Improvements in hit and miss ventilators,申请号GB19480025144-传众专利搜索

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发明名称	Improvements in hit and miss ventilators
摘要
申请公布号	GB644555(A)	申请公布日期	1950.10.11
申请号	GB19480025144	申请日期	1948.09.27
申请人	GREENWOOD'S AND AIRVAC VENTILATING COMPANY LIMITED;BENJAMIN DONALD HUGHES	发明人
分类号	F24F13/10	主分类号	F24F13/10
代理机构		代理人
主权项
地址

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