ES115545A1 -
Device to automatically close the gas outlet in case of leakage in industrial or sanitary installations where chlorine gas is used.
- Google Patents
Device to automatically close the gas outlet in case of leakage in industrial or sanitary installations where chlorine gas is used.
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Individual
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Individual
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ES115545A1929-11-121929-11-12
Device to automatically close the gas outlet in case of leakage in industrial or sanitary installations where chlorine gas is used.
ExpiredES115545A1
(en)
A procedure for the treatment of the mineral coal mints, that is the classification of them and purification of the water used in said treatment with their appliances.