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KTPA abbr.
abrev., miner. kilo tons per annum (MichaelBurov); kilotons per year (MichaelBurov); thousand tons per annum (MichaelBurov); ktpa (MichaelBurov)
ktpa s
miner. kilo tons per annum (MichaelBurov); kilotons per year (MichaelBurov); thousand tons per annum (MichaelBurov)