CNIS GB/T 9115.31-88 Steel pipe welding neck flanges with ring-joint face for PN 2.0MPa (20 bar). Формат поставки-PDF. Язык стандарта-Английский
Наименование:
CNIS GB/T 9115.31-88 Steel pipe welding neck flanges with ring-joint face for PN 2.0MPa (20 bar)
Язык:
Английский
Формат поставки:
PDF
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