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发明名称
Improved device for testing materials for fastness to light
摘要
申请公布号
GB435097(A)
申请公布日期
1935.09.13
申请号
GB19350015088
申请日期
1935.05.23
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G01N17/00
主分类号
G01N17/00
代理机构
代理人
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