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经营范围
发明名称
LOUVERED FLUORESCENT LIGHTING FIXTURE
摘要
申请公布号
CA15241(S)
申请公布日期
1947.01.30
申请号
CANDAT0015241F
申请日期
申请人
DAVID J. BILLER;BERTRAM KAEPPEL
发明人
分类号
主分类号
代理机构
代理人
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