Improvements in air or gas heating furnaces,申请号GB19380019414-传众专利搜索

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发明名称	Improvements in air or gas heating furnaces
摘要
申请公布号	GB504240(A)	申请公布日期	1939.04.21
申请号	GB19380019414	申请日期	1938.06.30
申请人	AKTIENGESELLSCHAFT FUER TECHNISCHE STUDIEN	发明人
分类号	F28D7/08	主分类号	F28D7/08
代理机构		代理人
主权项
地址

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