Bucket and hopper construction for material-elevating towers,申请号US19300462861-传众专利搜索

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发明名称	Bucket and hopper construction for material-elevating towers
摘要
申请公布号	US1798501(A)	申请公布日期	1931.03.31
申请号	US19300462861	申请日期	1930.06.21
申请人	SCANNELL ALBERT T	发明人	SCANNELL ALBERT T.
分类号	B66B17/26;E04G21/02	主分类号	B66B17/26
代理机构		代理人
主权项
地址

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