Improvements in or relating to the ventilation of toilet rooms,申请号GB19660030593-传众专利搜索

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发明名称	Improvements in or relating to the ventilation of toilet rooms
摘要
申请公布号	GB1145368(A)	申请公布日期	1969.03.12
申请号	GB19660030593	申请日期	1966.01.26
申请人	RAYMOND WILLIAM SNELL	发明人
分类号	E03D9/05;E03D9/052	主分类号	E03D9/05
代理机构		代理人
主权项
地址

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