Process for dewatering sludges,申请号US19390265983-传众专利搜索

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发明名称	Process for dewatering sludges
摘要
申请公布号	US2300693(A)	申请公布日期	1942.11.03
申请号	US19390265983	申请日期	1939.04.04
申请人	OLIVER UNITED FILTERS INCORPORATED	发明人	OSWALD HAROLD F.
分类号	C02F11/12	主分类号	C02F11/12
代理机构		代理人
主权项
地址

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