提供者: ;Scientific Research Mechanical Engineering Institute named after VV Bakhirev
Design and production of pipelines
提供者: Bicat-metall
Steeply curved bend, seamless 15x2.5 GOST 17375-2001 steel 20
提供者: JSC "Yuuaz Stan-2000-M"
Concentric transition 57x4-25x3 GOST 17378-2001 steel 20
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