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发明名称
Fire escape
摘要
申请公布号
US3033308(A)
申请公布日期
1962.05.08
申请号
US19600029077
申请日期
1960.05.13
申请人
MILLER HARRY J
发明人
MILLER HARRY J.
分类号
A62B1/20
主分类号
A62B1/20
代理机构
代理人
主权项
地址
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