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发明名称
Fire escape ladder
摘要
申请公布号
US2901056(A)
申请公布日期
1959.08.25
申请号
US19560588768
申请日期
1956.06.01
申请人
MCCONOLOGUE EDWARD J
发明人
MCCONOLOGUE EDWARD J.
分类号
E06C9/08
主分类号
E06C9/08
代理机构
代理人
主权项
地址
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