CNIS GB/T 9115.23-88 Steel pipe welding neck flanges with male and female face for PN 25.0MPa (250 bar). Формат поставки-PDF. Язык стандарта-Английский
Наименование:
CNIS GB/T 9115.23-88 Steel pipe welding neck flanges with male and female face for PN 25.0MPa (250 bar)
Язык:
Английский
Формат поставки:
PDF
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