Evgenia A. Terentieva

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Leningrad, SU

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Patents Grantslast 30 patents

Information Patent Grant
Photochromic and/or cathodochromic sodalite material, method of its...
- Patent number 4,490,286
- Issue date Dec 25, 1984
- Institut Fiziki Akademii Nauk Estonskoi SSR
- Filipp K. Volynets
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES