Pneumatic grain elevator,申请号US19450628410-传众专利搜索

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发明名称	Pneumatic grain elevator
摘要
申请公布号	US2474205(A)	申请公布日期	1949.06.21
申请号	US19450628410	申请日期	1945.11.14
申请人	INTERNATIONAL HARVESTER COMPANY	发明人	WELTY ALBERT B.
分类号	B65G53/60	主分类号	B65G53/60
代理机构		代理人
主权项
地址

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