发明授权
US4237027A Novel black light emitting luminophors 失效
新型黑色发光发光体

Novel black light emitting luminophors
摘要:
Hydrated strontium fluosilicates activated with divalent europium, having the formula:Sr.sub.1-x Eu.sub.x.sup.2+ SiF.sub.6 .multidot.2H.sub.2 Owherein 0
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