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经营范围
发明名称
Emergency lighting fixture
摘要
申请公布号
US2929919(A)
申请公布日期
1960.03.22
申请号
US19570643142
申请日期
1957.02.28
申请人
PATENT LICENSE CORPORATION
发明人
SCHWENKLER NORBERT H.
分类号
B64D45/00
主分类号
B64D45/00
代理机构
代理人
主权项
地址
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