Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance RL and the calculation of other derived values of quartz crystal units, up to 30 MHz (IEC 60444-4:1988); German version EN 60444-4:1997
Edition 1997-10

Medical microbiology - Quality management in medical microbiology - Part 9: Requirements for handling, storage and performance testing of culture media, testing reagents, dyes, biological materials, ready-to-use tests, test kits and immunological test systems
Edition 2022-12

Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 3: Procedure for determining and verifying declared noise emission values (IEC 60704-3:2019, modified); German version EN 60704-3:2019
Edition 2020-07

Secure storage units - Requirements, classification and methods of tests for resistance to burglary - Part 2: Deposit systems; German version EN 1143-2:2014
Edition 2014-09

Timber structures - Connectors - Requirements; German version EN 14545:2008
Edition 2009-02

Secure storage units - Requirements, classification and methods of test for resistance to burglary - Part 1: Safes, ATM safes, strongroom doors and strongrooms; German version EN 1143-1:2019
Edition 2019-07

Petroleum and natural gas industries - Offshore production installations - Heating, ventilation and air-conditioning (ISO 15138:2018); English version EN ISO 15138:2018
Edition 2018-10

Space product assurance - Vapour Phase Bioburden Reduction for Flight Hardware; English version EN 16602-70-56:2015
Edition 2015-12