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Unified system for design documentation. Graphical symbols in diagrams. Semiconductor devices
Document status: Active
Polyvinyl chloride cable compounds for general industrial purposes. General specifications
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Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 9. Mechanical gas thermostats
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Cylindrical helical compression (tension) springs of I class and of 1 category made of round steel. Main parameters of coils
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