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发明名称
Elevator signaling system
摘要
申请公布号
US1844145(A)
申请公布日期
1932.02.09
申请号
US19260095999
申请日期
1926.03.19
申请人
DANIEL LEWY
发明人
BUTUSOV EMIL P.
分类号
B66B3/00
主分类号
B66B3/00
代理机构
代理人
主权项
地址
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