| http://www.w3.org/ns/prov#value | - contain a non-luminescent material in such a large amount as 50% by weight Whereas the luminescent phosphor compositions outside the present invention, wherein ZnO, Al.sub.2 O, BaHPO.sub.4, Ca.sub.3 (PO.sub.4).sub.2, Al.sub.2 (SO.sub.4).sub.3 and
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