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GB191311653A
|
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Process for Forming Carbohydrate Phosphoric Acid Esters.
|
|
US803553A
|
|
Petroleum-burner.
|
|
GB190418750A
|
|
Improvements in and relating to Petroleum Burners
|
|
US828190A
|
|
Friction-grip for ropeway-trucks.
|
|
US782486A
|
|
Spiritus-igniter for petroleum-lamps.
|
|
CA88766A
|
|
Igniter for petroleum lamps
|
|
GB190406847A
|
|
Improvements relating to Petroleum and like Vapour Lamps
|
|
GB190404883A
|
|
Improvements in or relating to Vapour Burners for Heating and Illuminating purposes.
|
|
GB190404896A
|
|
Improvements in and relating to Pressure Regulating Valves.
|
|
US714143A
|
|
Pressure-reducing valve.
|
|
CA81411A
|
|
Petroleum lamp
|
|
CA75156A
|
|
Illuminating apparatus cleaning device
|
|
US709077A
|
|
Cleaner for burner-tips.
|
|
US741223A
|
|
Petroleum-lamp.
|
|
GB190203948A
|
|
Improvements in Petroleum Lamps
|
|
GB190203952A
|
|
An Improved Cleaning Device for Illuminating Apparatus.
|
