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GOST R ISO 3503-2020
Plastic piping systems. Mechanical joints between fittings and pressure pipes. Test method for leak tightness under internal pressure of assemblies subjected to bending
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€10
GOST 16622-80
Round punches with cone flange and without flange. Construction and dimensions
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€10
GOST 22.9.22-2023
Safety in emergencies. Emergency and rescue means. Classification
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€25