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Automatics and telemechanics railway systems on railway crossings. Safety requirements and methods of checking
Document status: Cancelled
Centralized traffic and dispatching control systems movement of trains. Safety requirements and methods of checking
Document status: Cancelled
Automatics and telemechanics railway systems on stages of railroad lines. Safety requirements and methods of checking
Document status: Cancelled
Enzyme preparation. Methods of beta-glucanase enzyme activity determination
Document status: Active