ÖNORM EN 437:2021-07

Действует

Test gases - Test pressures - Appliance categories

Ссылочные документы

ÖNORM EN ISO 6976:2016-11

Действует

Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)

ÖNORM EN ISO 3166-1:2020-12

Действует

Codes for the representation of names of countries and their subdivisions - Part 1: Country code (ISO 3166-1:2020)

ÖNORM EN 437:2019-05

Заменен

Test gases - Test pressures - Appliance categories

На этот документ ссылаются

ÖNORM EN 437:2019-05

Заменен

Test gases - Test pressures - Appliance categories

DIN EN 613:2001-06

Отменен

Independent gas-fired convection heaters; German version EN 613:2000 — 86 стр.

DIN EN 751-3:1997-08

Отменен

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes; German version EN 751-3:1996 — 8 стр.