OPTICAL LENS
PURPOSE:To provide the optical lens consisting of a cross-linking copolymer, having such excellent physical characteristics as high cross-linking density and low specific gravity, and also, a satisfactory optical characteristic. CONSTITUTION:The optical lens consists of a cross-linking copolymer who...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To provide the optical lens consisting of a cross-linking copolymer, having such excellent physical characteristics as high cross-linking density and low specific gravity, and also, a satisfactory optical characteristic. CONSTITUTION:The optical lens consists of a cross-linking copolymer whose specific gravity is |
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