AT87351B
(en)
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Device for cooling down warm pipes.
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FR515564A
(en)
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Heating device
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CH73961A
(en)
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Heat or cold transfer device
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CH78757A
(en)
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Hot water system
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AT88412B
(en)
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Device for signaling.
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FR495529A
(en)
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Heat recovery
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DK25215C
(en)
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Exchange device.
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AT87443B
(en)
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Heat exchange device for refrigerating machines.
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CH76091A
(en)
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Device for churning
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CH79861A
(en)
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Heat exchange device
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CH80915A
(en)
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Heat exchange device
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AT78835B
(en)
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Switch-off device for the rotating control slide of multi-cylinder heat engines.
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FR541015A
(en)
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Heat recovery unit for cupolas
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DK23029C
(en)
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Tin box with heating device.
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CH76594A
(en)
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Automatic device for stuffing pipes
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FR490135A
(en)
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Radiator
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CH75274A
(en)
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Countercurrent hot water device
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DK21908C
(en)
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Cattle release device.
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CH69056A
(en)
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Cold or heat transfer device
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FR497908A
(en)
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Heat exchanger device
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DK23168C
(en)
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Heat transfer device.
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DK19683C
(en)
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Heat exchange device.
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DK26141C
(en)
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Device for raincoats and the like.
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DK27062C
(en)
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Clamping device.
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DK21832C
(en)
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Horse release device.
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