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发明名称
Improvements in light reflectors
摘要
申请公布号
GB406448(A)
申请公布日期
1934.03.01
申请号
GB19320034964
申请日期
1932.12.09
申请人
SOCIETE ANONYME HOLOPHANE
发明人
分类号
F21V7/04
主分类号
F21V7/04
代理机构
代理人
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