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发明名称
Portable fire escape
摘要
申请公布号
US2558122(A)
申请公布日期
1951.06.26
申请号
US19470778855
申请日期
1947.10.09
申请人
JULES BARRY
发明人
BARRY JULES
分类号
A62B1/10
主分类号
A62B1/10
代理机构
代理人
主权项
地址
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