Improvements in idler rollers for conveyor belts,申请号GB19510004769-传众专利搜索

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发明名称	Improvements in idler rollers for conveyor belts
摘要
申请公布号	GB712752(A)	申请公布日期	1954.07.28
申请号	GB19510004769	申请日期	1951.02.27
申请人	NATIONAL COAL BOARD	发明人	WALKER DANIEL NORMAN;EDMONDS DE LARUE EVERARD
分类号	B65G39/02	主分类号	B65G39/02
代理机构		代理人
主权项
地址

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