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GOST 21142-84
Roller mechanisms for feeding strip, max. Width 500 mm. Basic and coupling dimensions
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€10
GOST R 59978.2-2022
Chimneys. Thermal and fluid dynamic calculation. Part 2. Chimneys serving more than one heating appliance
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GOST 9853.23-96
Sponge titanium. Spectral method for determination of silicon, iron, nickel
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€10