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经营范围
发明名称
ELEVATOR CONVEYOR
摘要
申请公布号
CA492159(A)
申请公布日期
1953.04.21
申请号
CAD492159
申请日期
申请人
RALPH H. CHRISTENSEN
发明人
RALPH H. CHRISTENSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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