|
GB651994A
|
|
Improvements relating to arrangements for cooling electric discharge tubes
|
|
GB626038A
|
|
Improvements relating to induction heating
|
|
GB621099A
|
|
Improvements relating to apparatus for dielectric heating in manufacturing processes
|
|
GB621096A
|
|
Improvements relating to high frequency processing
|
|
GB621233A
|
|
Improvements relating to annealing treatment of metal strip and wire
|
|
GB619244A
|
|
Improvements relating to high frequency heating apparatus
|
|
GB619246A
|
|
Improvements relating to high frequency electrical power supply systems
|
|
GB620432A
|
|
Improvements relating to the heat treatment of strip metal by electromagnetic induction
|
|
GB619245A
|
|
Improvements relating to high frequency electrical power supply systems
|
|
GB619211A
|
|
Improvements relating to high frequency heating processes
|
|
GB516282A
|
|
Improvements in and relating to vacuum electric discharge tube devices
|
|
GB476187A
|
|
Improvements in and relating to thermionic power valves
|
|
GB476188A
|
|
Improvements in high frequency vacuum electric tubes and in the circuits thereof
|
|
GB338013A
|
|
Improvements in tilting gear for crucible furnaces
|
|
GB179079A
|
|
Improvements in instruments for measuring or gauging and indicating the circular velocity and force of impact of golf clubs and the like
|
