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US4264948A
(en)
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Beacon lamp which emits a conical beam
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AT500056B1
(de)
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Optikelement für verkehrszeichen, anzeigetafeln oder dgl.
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|
US3522424A
(en)
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Searchlight apparatus
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US1864696A
(en)
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Projection of light
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SE7903436L
(sv)
|
|
Anordning for ljussignalering
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SE174888C1
(pt)
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|
|
|
US1945190A
(en)
|
|
Lens for signal lamps
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GB1289776A
(pt)
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|
|
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NO340886B1
(no)
|
|
Sektorfyrlykt
|
|
US1363566A
(en)
|
|
Optical system for projectors
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|
US4521085A
(en)
|
|
Conical middle component microscopic lenses
|
|
GB2040490A
(en)
|
|
Prism for Use With a Light Guide
|
|
IE48024B1
(en)
|
|
A beacon lamp which emits a conical beam
|
|
US1723535A
(en)
|
|
Headlight
|
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SU6898A1
(ru)
|
|
Ма к дл воздушных сообщений
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|
GB2004047A
(en)
|
|
Lamp having two reflector portions producing merged beams of different intensities
|
|
GB825638A
(en)
|
|
Improvements relating to lighting apparatus
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|
ES2063937T3
(es)
|
|
Luces de señalizacion de vehiculos automoviles.
|
|
GB649063A
(en)
|
|
Improvements relating to light units for use in light signals or indicators
|
|
GB320019A
(en)
|
|
Improvements in or relating to light condensers and projectors
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|
US2273748A
(en)
|
|
Airplane light
|
|
GB698128A
(en)
|
|
Improvements in or relating to lighting fittings
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|
RU2021162C1
(ru)
|
|
Навигационный светосигнальный прибор направленного действия (его варианты)
|
|
GB433787A
(en)
|
|
Improvements in and relating to illuminating devices
|
|
SU1061A1
(ru)
|
|
Устройство дл подводной световой сигнализации
|