Feeder for fluid current conveyers,申请号US19510220672-传众专利搜索

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发明名称	Feeder for fluid current conveyers
摘要
申请公布号	US2644724(A)	申请公布日期	1953.07.07
申请号	US19510220672	申请日期	1951.04.12
申请人	HAAVARD KRONSTAD	发明人	KRONSTAD HAAVARD
分类号	B65G53/46	主分类号	B65G53/46
代理机构		代理人
主权项
地址

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