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SE69986C1
(cs)
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|
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GB332455A
(en)
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Improvements in and relating to heat-exchanging apparatus
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GB254702A
(en)
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Improvements in or relating to heat exchange apparatus
|
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US1738849A
(en)
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Superheater
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DE590035C
(de)
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Russblaeser
|
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US1866325A
(en)
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Superheater
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US1963742A
(en)
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Rear superheater for locomotives
|
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GB167803A
(en)
|
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Improvements in air-cooled or evaporative surface condensers
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GB326981A
(en)
|
|
Improvements relating to heat exchangers
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SE47372C1
(cs)
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|
|
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GB142537A
(en)
|
|
Improvements in fuel economisers for steam boilers
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SE100061C1
(cs)
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|
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US1343144A
(en)
|
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Economizes |
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FR573042A
(fr)
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Chaudière à étages avec faisceau de tubes inclinés placés dans le premier trajet des gaz
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DE349805C
(de)
|
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Die Feuerung aufnehmender Vorbau zu Flammrohrkesseln mit im Vorbaukoerper verlegten Kuehlluftkanaelen
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US1940715A
(en)
|
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Locomotive structure
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GB381370A
(en)
|
|
Improvements in or relating to the stokeholds of ships
|
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GB634750A
(en)
|
|
Improvements in or relating to water tube boilers
|
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SE70838C1
(cs)
|
|
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SE47660C1
(cs)
|
|
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SE48056C1
(cs)
|
|
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GB219812A
(en)
|
|
Improvements in or relating to steam and hot water heating apparatus
|
|
GB259070A
(en)
|
|
Improvements in water tube boilers
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GB329719A
(en)
|
|
Improvements in boiler furnaces
|
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GB224195A
(en)
|
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Improvements in the disposition of the tubes of the tubular set in surface condensersor like apparatus
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