Improvements in screw conveyor apparatus,申请号GB19490011561-传众专利搜索

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发明名称	Improvements in screw conveyor apparatus
摘要
申请公布号	GB670036(A)	申请公布日期	1952.04.09
申请号	GB19490011561	申请日期	1949.04.30
申请人	ELWIN ADAM HAWK;JOHN ARTHUR JOHNSON	发明人
分类号	B65G33/00	主分类号	B65G33/00
代理机构		代理人
主权项
地址

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