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BS 1042-1-1.1:1981

Заменен
Measurement of fluid flow in closed conduits. Pressure differential devices, Specification for square-edged orifice plates, nozzles and venturi tubes inserted in circular cross section conduits running full — 69 стр.
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Ссылочные документы

BS EN ISO 5167-1:1997
Заменен
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, Orifice plates, nozzles, and venturi tubes inserted in circular cross-section conduits running full — 70 стр.

На этот документ ссылаются

BS EN ISO 5167-1:1997
Заменен
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, Orifice plates, nozzles, and venturi tubes inserted in circular cross-section conduits running full — 70 стр.