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GOST ISO 23551-5-2023

Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 5. Manual gas valves

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€25
GOST R 8.747-2011

State system for ensuring the uniformity of measurements. Metals and alloys. Vickers hardness test. Part 3. Calibration of reference block

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€10
GOST 2975-73

Retted straw. Specifications

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€10
GOST 22897-2023

Seamless cold-deformed pipes of titanium and alloys based on titanium. Specifications

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€25
GOST R 1.4-2004

Standardization in Russian Federation. Standards of organization. General provisions

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€10
GOST R 59371-2021

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic elimination of asynchronous mode. Norms and requirements

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€10