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经营范围
发明名称
MOVING STAIRWAYS
摘要
申请公布号
CA507806(A)
申请公布日期
1954.11.30
申请号
CAD507806
申请日期
申请人
OTIS ELEVATOR COMPANY
发明人
SAMUEL G. MARGLES;ANDREW FABULA
分类号
主分类号
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