PNEUMATIC ELEVATORS AND CONVEYORS FOR PULVERULENT MATERIALS,申请号CAD471871-传众专利搜索

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发明名称	PNEUMATIC ELEVATORS AND CONVEYORS FOR PULVERULENT MATERIALS
摘要
申请公布号	CA471871(A)	申请公布日期	1951.03.06
申请号	CAD471871	申请日期
申请人	ALUMINUM COMPANY OF AMERICA	发明人	REGINALD JACKSON
分类号		主分类号
代理机构		代理人
主权项
地址

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