Perfectionnements aux ozoniseurs,申请号FRD48449-传众专利搜索

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发明名称	Perfectionnements aux ozoniseurs
摘要
申请公布号	FR48449(E)	申请公布日期	1938.02.03
申请号	FRD48449	申请日期	1937.05.07
申请人		发明人	PRAT MARCEL
分类号	C01B13/11	主分类号	C01B13/11
代理机构		代理人
主权项
地址

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