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经营范围
发明名称
Improvements in prismatic plates for street and other lighting fittings
摘要
申请公布号
GB616465(A)
申请公布日期
1949.01.21
申请号
GB19460026592
申请日期
1946.09.04
申请人
HOLOPHANE LIMITED;SOLOMON ENGLISH;JOHN GUYSCLIFFE HOLMES
发明人
分类号
F21V5/00
主分类号
F21V5/00
代理机构
代理人
主权项
地址
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