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发明名称
MOVING STAIRWAY
摘要
申请公布号
CA383720(A)
申请公布日期
1939.08.29
申请号
CAD383720
申请日期
申请人
OTIS-FENSON ELEVATOR COMPANY LIMITED;OTIS ELEVATOR COMPANY
发明人
DAVID LEONARD LINDQUIST
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主分类号
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代理人
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