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发明名称
ELEVATOR DOOR MECHANISM
摘要
申请公布号
CA337847(A)
申请公布日期
1933.12.12
申请号
CAD337847
申请日期
申请人
THE OTIS-FENSOM ELEVATOR COMPANY LIMITED;THE OTIS ELEVATOR COMPANY
发明人
CLIFFORD NORTON
分类号
主分类号
代理机构
代理人
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