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发明名称
Elevator door bridge
摘要
申请公布号
US2739354(A)
申请公布日期
1956.03.27
申请号
US19520293117
申请日期
1952.06.12
申请人
POPE LEWIS J
发明人
POPE LEWIS J.
分类号
B66B17/18
主分类号
B66B17/18
代理机构
代理人
主权项
地址
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