Perfectionnements apportés aux indicateurs de fumée,申请号FRD1073289-传众专利搜索

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发明名称	Perfectionnements apportés aux indicateurs de fumée
摘要
申请公布号	FR1073289(A)	申请公布日期	1954.09.21
申请号	FRD1073289	申请日期	1953.03.27
申请人	THE PYRENE COMPANY LIMITED	发明人
分类号	G01N21/53	主分类号	G01N21/53
代理机构		代理人
主权项
地址

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