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发明名称
Improvements in reflectors
摘要
申请公布号
GB490237(A)
申请公布日期
1938.08.11
申请号
GB19370004520
申请日期
1937.02.15
申请人
HILDA ALTMANN;STEPHEN WISEMAN
发明人
分类号
G02B5/124
主分类号
G02B5/124
代理机构
代理人
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地址
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