Improvements in or relating to apparatus for improving the biological properties of air in rooms,申请号GB19480023037-传众专利搜索

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发明名称	Improvements in or relating to apparatus for improving the biological properties of air in rooms
摘要
申请公布号	GB644264(A)	申请公布日期	1950.10.04
申请号	GB19480023037	申请日期	1948.09.01
申请人	HYDRO-NITRO S. A.	发明人
分类号	A61L9/14;A61M11/06;F24F3/16	主分类号	A61L9/14
代理机构		代理人
主权项
地址

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