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Oleg Porfirievich Shelyakov
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Poltava, SU
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last 30 patents
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Patent Grant
Method of producing plastic and liquid lubricants
Patent number
4,149,981
Issue date
Apr 17, 1979
Viktor V. Kafarov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method of producing inorganic pigments
Patent number
3,969,129
Issue date
Jul 13, 1976
Zinaida Alexandrovna Savenkova
C01 - INORGANIC CHEMISTRY