|
GB1422826A
|
|
Charging circuit for rechargeable batteries
|
|
GB1424102A
|
|
Fluorescent lamps
|
|
GB1080601A
|
|
Improvements in or relating to suspended ceilings
|
|
GB963770A
|
|
Improvements in or relating to articulated light-screening panels
|
|
GB957339A
|
|
Improvements in or relating to conduits or trunking for electric wiring installations
|
|
GB849847A
|
|
Improvements in or relating to decorative ceilings
|
|
GB744835A
|
|
Improvements in or relating to electric lighting fittings
|
|
GB718270A
|
|
Improvements in or relating to reflector fittings for tubular electric lamps
|
|
GB718358A
|
|
Improvements in or relating to current supply units for electric lighting fittings
|
|
GB519685A
|
|
Improvements in or relating to means for operating vapour or gas filled electric discharge lamps or tubes
|
|
GB509628A
|
|
Improvements relating to alternating current electric circuit arrangements
|
|
GB465619A
|
|
Improvements relating to electric transformers, choke coils and similar apparatus
|
