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发明名称
Improvements relating to the projection of light
摘要
申请公布号
GB450348(A)
申请公布日期
1936.07.15
申请号
GB19350025751
申请日期
1935.09.17
申请人
LESLIE ROBERT MORSHEAD
发明人
分类号
F21S8/12;F21V17/00
主分类号
F21S8/12
代理机构
代理人
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