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Ivan M. Peychev
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Sofia, BG
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last 30 patents
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Patent Grant
Apparatus for nitriding metal materials and ferroalloys under pressure
Patent number
4,253,868
Issue date
Mar 3, 1981
Institute po Metaloznanie i Technologia na Metalite
Ivan D. Nikolov
B22 - CASTING POWDER METALLURGY
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Patent Grant
Apparatus for casting metals and other materials under pressure
Patent number
4,231,416
Issue date
Nov 4, 1980
NPO "Technologia Na Metalite"
Ivan D. Nikolov
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL