DISPOSITIF D'AERATION DES EAUX SOUTERRAINES DE PUITS,申请号FR19760021305-传众专利搜索

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发明名称	DISPOSITIF D'AERATION DES EAUX SOUTERRAINES DE PUITS
摘要
申请公布号	FR2318829(A1)	申请公布日期	1977.02.18
申请号	FR19760021305	申请日期	1976.07.12
申请人	SULZER FRERES SA	发明人
分类号	C02F3/12;C02F3/20;E03B3/08;(IPC1-7):02B1/30;02B1/10;03B3/16	主分类号	C02F3/12
代理机构		代理人
主权项
地址

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