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the region of a Bunsen flame where the combustion zone has the form of a cone, Bunseni põleti leegi põlemistsooni koonilise kujuga piirkond
koonusesisene piirkond . Keemiaterminite baas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//kem/koonusesisene%20piirkond/1/est (20.07.2026)
