CH386563A
(en )
1965-01-15
Electric discharge lamp
CH375109A
(en )
1964-02-15
Electric light bulb with light diffusing bulb
CH377936A
(en )
1964-05-31
Electric fluorescent lamp
AT197488B
(en )
1958-04-25
Electric fluorescent lamp with a transparent base
CH346289A
(en )
1960-05-15
Electric lamp with aligned base
CH352404A
(en )
1961-02-28
Electric fluorescent lamp with translucent base
CH367647A
(en )
1963-02-28
Electric projection lamp
AT189716B
(en )
1957-04-25
Luminaire with fluorescent lamps
AT304699B
(en )
1973-01-25
Base sleeve for electric lamps with a flat glass pinch foot designed as a base
CH339294A
(en )
1959-06-30
Electric discharge lamp
CH352406A
(en )
1961-02-28
Electric ceiling light
AT197485B
(en )
1958-04-25
Electric lamp with aligned base
AT192502B
(en )
1957-10-25
Electric light bulb
CH383495A
(en )
1964-10-31
Electric light bulb
AT193016B
(en )
1957-11-25
Electric light bulb
CH330408A
(en )
1958-06-15
Electric light bulb
CH384712A
(en )
1965-02-26
Base for electric light bulbs
AT196501B
(en )
1958-03-25
Gas-filled electric light bulb
CH407319A
(en )
1966-02-15
Electric gas-filled incandescent lamp
CH388455A
(en )
1965-02-28
Electric light bulb
AT194980B
(en )
1958-01-25
Fluorescent lamp with standard incandescent lamp
AT195525B
(en )
1958-02-10
Electric light bulb
CH331039A
(en )
1958-06-30
Electric light bulb
AT194976B
(en )
1958-01-25
Electric hand lamp
CH358863A
(en )
1961-12-15
Socketless electric lamp