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发明名称
Elevator door control system
摘要
申请公布号
US2111459(A)
申请公布日期
1938.03.15
申请号
US19340722795
申请日期
1934.04.27
申请人
VELI MOLANDER
发明人
MOLANDER VELI
分类号
B66B13/14
主分类号
B66B13/14
代理机构
代理人
主权项
地址
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