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ES379648A3
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Improvements in the construction of elements of exchanger of a contact apparatus. (Machine-translation by Google Translate, not legally binding)
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ES379647A3
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Contact device for liquid and gas. (Machine-translation by Google Translate, not legally binding)
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US3682747A
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Apparatus for forming an impregnated paper web with corrugations or pleats
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US3533560A
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Cooling tower spray nozzle
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US3500615A
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Gas and liquid contact apparatus
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US3265550A
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Process of making a packing unit of moisture absorbent cellulosic material
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DE1085503B
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Process and machine for the production of contact bodies, in particular for trickle coolers with saw-like teeth
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DE1153505B
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Moisture exchanger for drying one air stream with the help of another air stream
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ES242681A1
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A rotor device for conditioning an air current (Machine-translation by Google Translate, not legally binding)
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DE1141430B
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Rotor for influencing, in particular drying, one air flow with the aid of another air flow
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