CNIS GB/T 9117.2-88 Hubbed socket welding steel pipe flanges with raised face for PN 2.0MPa (20 bar)
Наименование:
CNIS GB/T 9117.2-88 Hubbed socket welding steel pipe flanges with raised face for PN 2.0MPa (20 bar)
Язык:
Английский
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