Dmitry I. Dergachev

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Distorted helix ferroelectric liquid crystal cell
- Patent number 6,671,028
- Issue date Dec 30, 2003
- Rolic AG
- Leonid A. Beresnev
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...