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GB191500439A
|
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Improvements in Desiccating Trays or Grids.
|
|
GB191418504A
|
|
Improvements in and relating to Electric Igniting Apparatus for Gas Burners.
|
|
GB191416999A
|
|
Improvements in Gas Lamps.
|
|
GB191403160A
|
|
Improvements in Backings for Gas Fires.
|
|
GB191403159A
|
|
Improvements in Gas Fires.
|
|
GB191316388A
|
|
Improved Means for Igniting Gas Burners.
|
|
GB191206672A
|
|
Improved Furnace for Heating Apparatus for Converting the Sulphur in Coal Gas or like Gases into Sulphuretted Hydrogen.
|
|
GB191203037A
|
|
An Improved Superheater for use in Conjunction with Inverted Incandescent Gas Burners.
|
|
GB191125367A
|
|
Improvements relating to Incandescent Gas Lamps.
|
|
GB191124548A
|
|
Improvements relating to High Pressure Incandescent Gas Lamps.
|
|
GB191025849A
|
|
Improvements in Gas Fires.
|
|
GB190905289A
|
|
Improvements in Inverted Incandescent Gas Burners.
|
|
GB190818248A
|
|
Improvements in Inverted Inoandscent Gas Burners suitable for Street Lighting
|
|
GB190727186A
|
|
Improved Apparatus for Charging Gas Retorts
|
|
GB190714371A
|
|
Improvements relating to the Distillation or Carbonization of Coal
|
|
GB190622511A
|
|
Improvements in Gas Governors.
|
|
GB190622512A
|
|
Improvements in Distilling Apparatus.
|
|
GB190524828A
|
|
An Improved Burner for Testing Gas
|
|
GB190515441A
|
|
Improvements in Direction Signs for Streets and other purposes.
|
|
GB190513553A
|
|
Improvements relating to the Testing of Gas.
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