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经营范围
发明名称
HYDRAULIC DRIVE FOR ELEVATORS AND THE LIKE
摘要
申请公布号
CA540947(A)
申请公布日期
1957.05.14
申请号
CAD540947
申请日期
申请人
THE OILGEAR COMPANY
发明人
JAMES K. DOUGLAS
分类号
主分类号
代理机构
代理人
主权项
地址
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