|
GB790961A
|
|
Improvements in or relating to electric thermal switches
|
|
US2857500A
|
|
Electric control systems for electrical heaters
|
|
GB780559A
|
|
Improvements in or relating to electrical control systems for heating means
|
|
GB763892A
|
|
An improved thermally-responsive electric heat regulating switch
|
|
GB760296A
|
|
Improvements in or relating to thermally operated control systems for heating vessels
|
|
GB748575A
|
|
A new or improved thermally-responsive electric heat regulating switch
|
|
US2606610A
|
|
Control means for hydraulic presses
|
|
GB671483A
|
|
Improvements in or relating to control means for hydraulic presses for producing plastic mouldings
|
|
GB561004A
|
|
Improvements in snap-action electric switches
|
|
GB413685A
|
|
Improvements in electric incandescent lamp holders combined with thermal switches for intermittent flashing
|
|
GB355228A
|
|
Improvements in thermally actuated electric switches
|
|
GB351598A
|
|
Improvements in electrically operated signs
|
|
GB248655A
|
|
Improvements relating to apparatus for displaying advertisements
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