GB1028875A
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Improvements relating to water heaters
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GB911094A
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Improvements in or relating to trepanning
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GB879663A
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Improvements relating to fluid pressure overload relief devices
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GB878092A
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Improvements relating to devices for releasing fluid pressure
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DE965670C
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Self-lubricating carbon bearings
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GB724283A
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Heat exchange apparatus
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GB714946A
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Improvements in or relating to bearings
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GB704356A
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Heating or cooling container for corrosive or solvent liquids
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GB723867A
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Heat exchanger
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GB692732A
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Conversion of carbonaceous matter into useful gas
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US2665123A
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Apparatus for treating gases with liquids
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DE824389C
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Process for the production of moldings from pitch or tar
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DE903330C
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Process for the manufacture of shaped articles consisting essentially of carbon, such as carbon electrodes
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DE818356C
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Process for processing bituminous materials, in particular tars and pitches
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GB682967A
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Thermoplastic synthetic resins
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GB689315A
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Improvements in or relating to carbon bodies
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GB679131A
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Improvements in or relating to the treatment of gases and liquids
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GB685844A
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Thermoplastic synthetic resins
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DE854470C
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Process for the production of objects from coal
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US2661197A
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Apparatus for treating gases with liquids
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