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发明名称
FIRE ESCAPE APPARATUS
摘要
申请公布号
CA667936(A)
申请公布日期
1963.08.06
申请号
CAD667936
申请日期
申请人
DAVID SWEIGART
发明人
DAVID SWEIGART
分类号
主分类号
代理机构
代理人
主权项
地址
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