Improvements in the production of coloured smokes,申请号GB19330018605-传众专利搜索

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发明名称	Improvements in the production of coloured smokes
摘要
申请公布号	GB421655(A)	申请公布日期	1934.12.28
申请号	GB19330018605	申请日期	1933.06.30
申请人	JOHN FREDERIC SMERDON STONE;NELSON KING JOHNSON	发明人
分类号	G09F21/16	主分类号	G09F21/16
代理机构		代理人
主权项
地址

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