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Roman A. Denisov
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Tartu, SU
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last 30 patents
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Patent Grant
Spectrophotometer for measuring transmission spectra
Patent number
4,546,256
Issue date
Oct 8, 1985
Institut Fiziki Akademii Nauk Estonskoi SSR
Roman A. Denisov
G01 - MEASURING TESTING
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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