COUNTERCURRENT CONTACTING APPARATUS,申请号CAD577859-传众专利搜索

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发明名称	COUNTERCURRENT CONTACTING APPARATUS
摘要
申请公布号	CA577859(A)	申请公布日期	1959.06.16
申请号	CAD577859	申请日期
申请人	HERCULES POWDER COMPANY	发明人	DONALD E. BOYNTON;STEFFEN F. DIECKMANN
分类号		主分类号
代理机构		代理人
主权项
地址

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