|
GB928535A
|
|
Vacuum relief valve and hot water supply systems incorporating such valves
|
|
US3059662A
|
|
Hot water supply system or the like including vacuum control apparatus
|
|
GB832201A
|
|
Improvements in or relating to pressure reducing, pressure relieving and vacuum relieving apparatus
|
|
US2921597A
|
|
Vacuum control apparatus
|
|
GB817602A
|
|
Fuel control apparatus in vaporised oil fuel burners
|
|
GB797078A
|
|
Improvements in or relating to pressure control apparatus
|
|
US2864395A
|
|
Pressure control apparatus
|
|
GB723325A
|
|
A self-cleaning jet for use with low pressure or high pressure vaporised oil fuel burners
|
|
GB698809A
|
|
Improvements in or relating to vapourised fuel burners
|
|
US2623578A
|
|
Utilization of heat in vaporized fuel burners
|
|
GB670324A
|
|
Improvements in oil fuel-burning apparatus for domestic and other heating uses
|
