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发明名称
Elevator control system
摘要
申请公布号
US2014821(A)
申请公布日期
1935.09.17
申请号
US19350002331
申请日期
1935.01.18
申请人
MARCELLUS STALEY
发明人
STALEY MARCELLUS
分类号
B66B1/52
主分类号
B66B1/52
代理机构
代理人
主权项
地址
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