Drive mechanism for endless bucket lines,申请号US19450629830-传众专利搜索

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发明名称	Drive mechanism for endless bucket lines
摘要
申请公布号	US2620060(A)	申请公布日期	1952.12.02
申请号	US19450629830	申请日期	1945.11.20
申请人	HELEN M. BIRD	发明人	BIRD HELEN MARIE
分类号	E02F3/08;E02F3/14	主分类号	E02F3/08
代理机构		代理人
主权项
地址

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