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GB892021A
|
|
Improvements in or relating to heat exchangers
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GB871508A
|
|
Improvements in or relating to boilers
|
|
GB868720A
|
|
Improvements in or relating to steam generators
|
|
US3046955A
|
|
Heat exchanger with tubular elements, especially for hot-water and superheated-water heating boilers
|
|
US2964025A
|
|
Steam generator provided with exchangers in series
|
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GB772777A
|
|
Improvements in or relating to a steam boiler plant
|
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US3063430A
|
|
Steam generating element for unidirectional water circulation
|
|
GB799274A
|
|
Improvements in and relating to steam generators
|
|
GB772546A
|
|
A tubular element steam-generator
|
|
US2962131A
|
|
Metal panel for forming envelopes subjected to high temperatures
|
|
US2839276A
|
|
Heat exchanger
|
|
GB763647A
|
|
Heat exchanger particularly suitable for high pressures and corrosive liquids
|
|
GB746848A
|
|
Improvements in or relating to indirectly heated boilers
|
|
US2906417A
|
|
Material conveying device
|
|
GB758634A
|
|
Improvements in or relating to means for conveying powdered material
|
|
GB733926A
|
|
Improved process and device for the hydrolytic treatment with steam of organic material in powder form or small pieces
|
|
US2806298A
|
|
Process and device for the treatment of substances in small pieces, by means of a fluid
|
|
US2760849A
|
|
Apparatus for hydrolyzing cellulosic materials
|
|
GB728897A
|
|
Heat exchanger for fluids
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US2974649A
|
|
Heat exchanger
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