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GOST R 56309-2014
Oriented strand wood construction boards. Specifications
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€10
GOST R 72066-2025
Optics and photonics. Optical bulk absorption filters. Classification. Basic principles
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€25
GOST 13771-86
Cylindrical helical compression (tension) springs of ii class and of 2 category made of round steel. Main parameters of coils
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€10