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Ķekavas Avots
·
Oct 14, 2020
The calcium concentration in water artificially purified by reverse osmosis ranges from 20 to 70 mg/l.
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4
ūdens
latvia
latvija
ražotslatvijā
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Ķekavas artēziskais dzeramais ūdens satur 20-70 mg/l kalcija
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