|
GB602600A
|
|
Improvements in or relating to water-heaters
|
|
GB382671A
|
|
Improvements in or relating to control valves for liquid heaters
|
|
GB366003A
|
|
Improvements in or relating to liquid heaters
|
|
GB346268A
|
|
Improvements in or relating to apparatus for heating water and other liquids
|
|
GB329624A
|
|
Improvements in or relating to burners for petrol-air gas and like fuels
|
|
GB326845A
|
|
Improvements in or relating to water heaters and the like
|
|
GB288443A
|
|
Improvements in or relating to liquid-heating devices
|
|
GB290745A
|
|
Improvements in or relating to means for controlling taps more particularly taps for water heaters and the like
|
|
GB276807A
|
|
Improvements in or relating to the heating of liquids
|
|
GB242373A
|
|
Improved apparatus for heating liquids
|
|
GB235990A
|
|
Improved apparatus for heating liquids
|
