|
GB381862A
|
|
Improvements in and relating to time-controlled electric switches
|
|
GB378982A
|
|
Improvements in switches for operating bowden wire or like devices
|
|
GB372592A
|
|
Improvements in apparatus for automatically operating gas valves
|
|
GB368278A
|
|
Improvements in automatic time control switches, taps or the like
|
|
GB340800A
|
|
Improvements in gas taps or valves operated from a distance
|
|
GB330633A
|
|
Improvements in automatic time control switches, taps or the like
|
|
GB292274A
|
|
Improvements in or relating to electric time switches
|
|
GB272776A
|
|
Improvements in mechanism for opening and closing taps or electric switches at predetermined times
|
|
GB242880A
|
|
Improvements in apparatus for automatically operating gas valves
|
|
GB221440A
|
|
Improvements in apparatus for opening and closing electric circuits at predeterminedtimes
|
|
GB195312A
|
|
Improvements in time-controlled gas taps or the like apparatus
|
