Improvements in or relating to smoke observation apparatus,申请号GB19530004636-传众专利搜索

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发明名称	Improvements in or relating to smoke observation apparatus
摘要
申请公布号	GB785019(A)	申请公布日期	1957.10.23
申请号	GB19530004636	申请日期	1953.02.19
申请人	BARR & STROUD LIMITED	发明人	STRANG JOHN MARTIN
分类号	F23M11/04;F23N5/08	主分类号	F23M11/04
代理机构		代理人
主权项
地址

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