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发明名称
MONORAIL FOR COUNTERWEIGHT FRAMES
摘要
申请公布号
CA763771(A)
申请公布日期
1967.07.25
申请号
CAD763771
申请日期
申请人
OTIS ELEVATOR COMPANY
发明人
DANIEL D. TOFANELLI
分类号
主分类号
代理机构
代理人
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地址
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