Каталог стандартов

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BS 1042-2.3:1984

Заменен
Measurement of fluid flow in closed conduits. Velocity area methods, Methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes — 28 стр.
ICS
17.120.10 Flow in closed conduits / Поток в закрытых каналах