JiJi{hacek over (r)}i Vavrena

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Patents Grantslast 30 patents

Information Patent Grant
Crystal glass having refractive index higher than 1.53 without a co...
- Patent number 8,877,663
- Issue date Nov 4, 2014
- Preciosa a.s.
- Miroslav Rada
- C03 - GLASS MINERAL OR SLAG WOOL