Perfectionnements à l'épuration des eaux usées,申请号FRD864183-传众专利搜索

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发明名称	Perfectionnements à l'épuration des eaux usées
摘要
申请公布号	FR864183(A)	申请公布日期	1941.04.21
申请号	FRD864183	申请日期	1939.11.17
申请人		发明人	DESROCHES EUGENE JOSEPH
分类号	C02F3/04	主分类号	C02F3/04
代理机构		代理人
主权项
地址

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