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发明名称
Manufacture of light filter layers
摘要
申请公布号
GB508011(A)
申请公布日期
1939.06.26
申请号
GB19370032518
申请日期
1937.11.25
申请人
I.G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03C5/02;G03C7/30
主分类号
G03C5/02
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