Combined ventilating and vacuum cleaning installation,申请号GB19320009534-传众专利搜索

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发明名称	Combined ventilating and vacuum cleaning installation
摘要
申请公布号	GB388588(A)	申请公布日期	1933.03.02
申请号	GB19320009534	申请日期	1932.04.02
申请人	ALFRED HORACE HICKS;WILLIAM EDWIN TOMLIN	发明人
分类号	F24D5/00	主分类号	F24D5/00
代理机构		代理人
主权项
地址

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