Diffuser for gases,申请号US19490123889-传众专利搜索

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发明名称	Diffuser for gases
摘要
申请公布号	US2639131(A)	申请公布日期	1953.05.19
申请号	US19490123889	申请日期	1949.10.27
申请人	ACTIVATED SLUDGE LIMITED	发明人	COOMBS ERIC PROCTER
分类号	B01F3/04;C02F3/20	主分类号	B01F3/04
代理机构		代理人
主权项
地址

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