ES77643A1 - Un aparato para privar de gases el agua y los líquidos acuosos, para eliminar el hierro y el magnesio que contienen y reducir su dureza.
- Google Patents
Un aparato para privar de gases el agua y los líquidos acuosos, para eliminar el hierro y el magnesio que contienen y reducir su dureza.
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WEHNER HEINRICH
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WEHNER HEINRICH
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ES77643A1921-03-301921-03-30Un aparato para privar de gases el agua y los líquidos acuosos, para eliminar el hierro y el magnesio que contienen y reducir su dureza.
ExpiredES77643A1
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