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DIN EN IEC 61753-091-02
Fibre optic interconnecting devices and passive components - Performance standard - Part 091-02: Non-connectorized 3-port incompletely circulated single-mode fibre optic circulators for category C - Controlled environments (IEC 61753-091-02:2022); German version EN IEC 61753-091-02:2022
Edition
2024-04
DIN EN 12976-1
Thermal solar systems and components - Factory made systems - Part 1: General requirements; German version EN 12976-1:2021
Edition
2022-03
DIN EN 61709
Electric components - Reliability - Reference conditions for failure rates and stress models for conversion (IEC 56/1583/CD:2014)
Edition
2015-01
DIN EN 61753-091-3
Fibre optic interconnecting devices and passive components performance standard - Part 091-3: Single-mode fibre optic pigtailed style circulators for category U - Uncontrolled environment (IEC 61753-091-3:2004); German version EN 61753-091-3:2004
Edition
2005-04
DIN EN 12977-1
Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems; German version EN 12977-1:2018
Edition
2018-07
DIN EN 12977-5
Thermal solar systems and components - Custom built systems - Part 5: Performance test methods for control equipment; German version EN 12977-5:2018
Edition
2018-07
DIN EN 12977-2
Thermal solar systems and components - Custom built systems - Part 2: Test methods for solar water heaters and combisystems; German version EN 12977-2:2018
Edition
2018-07
DIN EN ISO 21068-2
Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/DIS 21068-2:2023); German and English version prEN ISO 21068-2:2023
Edition
2023-07
DIN EN 61753-092-6
Fibre optic interconnecting devices and passive components performance standard - Part 092-6: Non-connectorized single-mode circulators for category O - Uncontrolled environment and sequential test (IEC 61753-092-6:2007); German version EN 61753-092-6:2007 + Cor.:2008
Edition
2008-04
DIN EN 17625
Rooftop units - Testing and rating at standard rating conditions and part load conditions for calculation of seasonal performance; German and English version prEN 17625:2024
Edition
2024-08