CNIS GB/T 12237-89 General purpose industrial valves--Flanged and butt-weld end steel ball valves. Формат поставки-PDF. Язык стандарта-Английский
Наименование:
CNIS GB/T 12237-89 General purpose industrial valves--Flanged and butt-weld end steel ball valves
Язык:
Английский
Формат поставки:
PDF
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