Iskani niz je bil najden v PREVODIH:
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tehnika de-en
de
Gewässerreinhaltung
en pollution control, protection of waters, water conservation, water pollution control
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tehnika de-en
de
Gewässerschutz
en pollution control, protection of waters, water conservation, water pollution control, water pollution prevention, water protection
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tehnika de-en
de
Immissionsbegrenzung
en air-pollution control, pollutant reduction, pollution control