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发明名称
Foldable escape ladders and method of making the same
摘要
申请公布号
US3078954(A)
申请公布日期
1963.02.26
申请号
US19620174006
申请日期
1962.02.19
申请人
MACLEOD KENYON C
发明人
MACLEOD KENYON C.
分类号
E06C1/56
主分类号
E06C1/56
代理机构
代理人
主权项
地址
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