|
Theodolites. General specifications
|
|
Electrical filament lamps for light measurements
|
Optical parts. Classes of cleanness of optical surfaces. Methods of control
|
Objectives and body-tubes of the microscopes. Attaching dimensions
|
Tripods for geodetic instruments. General specifications
|
Tripods for geodetic instruments. General technical requirements and methods of tests
|
Sets of light filters and lenses for lens traffic lights, scatterers and deflectors. Luminous intensity and local distance measuring methods
|
Lenses and sets of lenses of railway transport light signal. Luminous intensity and local distance measuring methods
|
Sets of light filters and lenses for misted lens for traffic lights and scatterers. Basic parameters and dimensions
|
Complete sets of light filters and lenses for lens filters of railway transport. Specification
|