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发明名称
Safety mechanism for doors
摘要
申请公布号
US2601250(A)
申请公布日期
1952.06.24
申请号
US19510208164
申请日期
1951.01.27
申请人
OTIS ELEVATOR COMPANY
发明人
BRUNS WILLIAM HENRY;DAVIS SAMUEL
分类号
B66B13/26
主分类号
B66B13/26
代理机构
代理人
主权项
地址
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