|
RU1775653C
|
|
Microwave spectrometer
|
|
RU1796204C
|
|
Method of localizing and extinguishing forest fires
|
|
CN1059968A
|
|
Interferometric optical filter system selectively
|
|
CA2024202A1
|
|
Selective interference optical filtration system
|
|
RU1787270C
|
|
Geoelectric survey device
|
|
CN1054319A
|
|
Alternative interference filter and use its optical instrument
|
|
DD302014A9
|
|
Selective interference light filter and optical device using the same
|
|
CA2008485A1
|
|
Selective interference light filter
|
|
SU1697855A1
|
|
Method for preventing low forest fire from turning to upper forest fire
|
|
RU1787965C
|
|
Process for producing porous vitrified block
|
|
SU1705250A1
|
|
Crystalline glass material
|
|
SU1632450A2
|
|
Continuous distiller
|
|
SU1690025A1
|
|
Suspension for producing gas absorbing medium
|
|
EP0416105A1
|
|
Selective interference light filter and optical device using it
|
|
SU1657199A1
|
|
Method for forest fire fighting
|
|
SU1653026A1
|
|
Method for annealing lamp filament
|
|
SU1657198A1
|
|
Arrangement for fighting forest fires
|
|
EP0404941A1
|
|
Polymerized composition for obtaining luminescent and selective radiation-absorbent materials
|
|
SU1611397A1
|
|
Method of filtering liquid and gas
|
|
SU1554049A1
|
|
Filament lamp
|
