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DIN EN 305:1997-07

Действует
Heat exchangers - Definitions of performance of heat exchangers and the general test procedure for establishing performance of all heat exchangers; German version EN 305:1997 — 12 стр.
ICS
01.040.27 Energy and heat transfer engineering (Vocabularies) / Энергетика и теплотехника (Словари)
27.060.30 Boilers. Including steam pressure vessels / Котлы и теплообменники