Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment; section 2: Shock and bump tests (IEC 60255-21-2:1988); German version EN 60255-21-2:1995
Edition 1996-05

Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 2: Shock and bump tests
Edition 1996-02-29

Electrical relays. Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment. Section 2: Shock and bump tests
Edition 1995-11

Electrical relays. Part 21: vibration, shock, bump and seismic tests on measuring relays and protection equipment. Section 2 : shock and bump tests
Edition 1998-02-01

ELECTRICAL RELAYS. PART 21: VIBRATION, SHOCK, BUMP AND SEISMIC TESTS ON MEASURING RELAYS AND PROTECTION EQUIPMENT. SECTION 2: SHOCK AND BUMP TESTS.
Edition 1996-12-17

Nuclear power plants - Instrumentation and control important to safety - Electrical equipment condition monitoring methods - Part 2: Indenter modulus (IEC 45A/1308/CD:2020); Text in German and English
Edition 2021-02

Nuclear power plants - Instrumentation and control important to safety - Electrical equipment condition monitoring methods - Part 2: Indenter modulus (IEC/IEEE 62582-2:2011 + A1:2016)
Edition 2020-03

Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 21: Tariff and load control equipment (IEC 62052-21:2004 + A1:2016); German version EN 62052-21:2004 + A1:2017
Edition 2017-10

Products and systems for the protection and repair of concrete structures - Test methods - Part 2: Shrinkage of crack injection products based on polymer binder: volumetric shrinkage; German version EN 12617-2:2004
Edition 2004-11

Products and systems for the protection and repair of concrete structures - Test methods; Determination of thermal compatibility - Part 2: Thunder-shower cycling (thermal shock); German version EN 13687-2:2002
Edition 2002-05