APPARATUS FOR MAINTAINING A BODY OF WATER FREE OF ICE,申请号CAD678693-传众专利搜索

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发明名称	APPARATUS FOR MAINTAINING A BODY OF WATER FREE OF ICE
摘要
申请公布号	CA678693(A)	申请公布日期	1964.01.28
申请号	CAD678693	申请日期
申请人	GEORGE E. GROSS	发明人	GEORGE E. GROSS
分类号		主分类号
代理机构		代理人
主权项
地址

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