DEEP WELL PUMP HEAD AND LUBRICATING SYSTEM,申请号CAD344710-传众专利搜索

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发明名称	DEEP WELL PUMP HEAD AND LUBRICATING SYSTEM
摘要
申请公布号	CA344710(A)	申请公布日期	1934.09.18
申请号	CAD344710	申请日期
申请人	A. D. COOK	发明人	RAYMOND E. SWANSON
分类号		主分类号
代理机构		代理人
主权项
地址

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