Improvements relating to heating and ventilating apparatus,申请号GB19300009447-传众专利搜索

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发明名称	Improvements relating to heating and ventilating apparatus
摘要
申请公布号	GB347836(A)	申请公布日期	1931.05.07
申请号	GB19300009447	申请日期	1930.03.25
申请人	THOMAS NEILSON;JOHN MARSHALL	发明人
分类号	B63J2/00	主分类号	B63J2/00
代理机构		代理人
主权项
地址

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