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发明名称
Elevator control
摘要
申请公布号
US2711799(A)
申请公布日期
1955.06.28
申请号
US19530336128
申请日期
1953.02.10
申请人
NOON ALONZO W
发明人
NOON ALONZO W.
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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