JPS6465766A
(en )
1989-03-13
Life display fluorescent lamp
DE1479694U
(https= )
DE3233820A1
(de )
1984-03-15
Kombinationsleuchte
JPH0667612A
(ja )
1994-03-11
プラスチックプレート製の発光体
EP0217323A3
(de )
1989-03-08
Leuchte und Beleuchtungsverfahren
MX9206268A
(es )
1994-05-31
Suturas sinteticas fluorecentes.
Hurt
0
Relation between the lighting and environment
DE1467357U
(https= )
DE1402649U
(https= )
DE1723621U
(de )
1956-06-07
Spiegelleuchte fuer leuchtstofflampen.
AT117629B
(de )
1930-05-10
Beleuchtungskörper.
DE20203399U1
(de )
2002-11-28
Energiesparende Wohnraumleuchte
DE1394539U
(https= )
DE1355048U
(https= )
DE1477886U
(https= )
DE1417882U
(https= )
CH717306A2
(de )
2021-10-15
Lichtreflektierendes Zelt.
DE20113660U1
(de )
2002-02-07
Blendungsfreie LED-Beleuchtung für Bildschirmlesegeräte
DE1400409U
(https= )
DE1395583U
(https= )
DE1480308U
(https= )
DE1721848U
(de )
1956-05-09
Beleuchteter toilettenspiegel.
Angus et al.
1944
The Distribution of Light from Reading Lamps
BARKAN et al.
0
EDITORIAL STAFF LAWRENCE T. POST,. editor
Stecher
1947
Why light in the library or comments on illumination