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发明名称
FIRE SAFETY LADDER
摘要
申请公布号
GB8919638(D0)
申请公布日期
1989.10.11
申请号
GB19890019638
申请日期
1989.08.31
申请人
SAVVA, P C
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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