US3996460A
(en )
1976-12-07
Solar tracking control system using shadow detection
KR860003649A
(ko )
1986-05-28
X-레이 노광장치
GB307536A
(enrdf_load_html_response )
GB1275458A
(en )
1972-05-24
Photoexposure device
DE3683687D1
(de )
1992-03-12
Heilklimageraet.
BR8107086A
(pt )
1982-01-05
Controle automatico de tiragem
US1359581A
(en )
1920-11-23
Lighting system
GB1173281A
(en )
1969-12-03
Improvements in or relating to a System and Apparatus for Improving the Contrast of Analogue Density Patterns, such as Printed Character
JPS5753760A
(en )
1982-03-30
Copying device
US2474221A
(en )
1949-06-28
Smoke detector and signal for ducts
DE58907156D1
(de )
1994-04-14
Blendeneinstellvorrichtung in einem fotografischen Vergrösserungs- oder Kopiergerät mit mehreren Objektiven mit verstellbarer Blende.
JPS51150338A
(en )
1976-12-23
Duplicator
JPS52156633A
(en )
1977-12-27
Enlarging optical device
US1252965A
(en )
1918-01-08
Apparatus for recording sounds photographically.
JPS5619038A
(en )
1981-02-23
Control system of copy density in copying machine having variable power function
JPS5741671A
(en )
1982-03-08
Copying device
SU365745A1
(ru )
1973-01-08
УСТРОЙСТВО дл УПРАВЛЕНИЯ ОСВЕТИТЕЛЬНЫМИ
GB565390A
(en )
1944-11-08
Improvements in or relating to street or town's lighting
GB354695A
(en )
1931-08-13
Method and means for operating contacts by means of light sensitive electric apparatus
SU135206A1
(ru )
1960-11-30
Гигростат дл поверки приборов влажности
GB1055862A
(en )
1967-01-18
Device for regulation of secondary air supply in modulating oil burners
GB286768A
(en )
1928-03-07
Improvements in and relating to sound reproducing apparatus
SU869776A1
(ru )
1981-10-07
Способ и устройство дл озонировани воздуха окружающей среды
SU394837A1
(ru )
1973-08-22
Устройство регулирования громкости звука
Schröder et al.
2000
Johann Kiessling, the Krakatoa event and the development of atmosheric optics after 1883