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发明名称
Elevator door operating system
摘要
申请公布号
US2200074(A)
申请公布日期
1940.05.07
申请号
US19390280470
申请日期
1939.06.22
申请人
WESTINGHOUSE ELECTRIC ELEVATOR COMPANY
发明人
BOUTON EDGAR M.
分类号
B66B13/16
主分类号
B66B13/16
代理机构
代理人
主权项
地址
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