Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheets 121 to 124: Extruded silicone sleeving
Edition 2001-07-18

Glass - Hydrolytic resistance of glass grains at 121 °C - Method of test and classification
Edition 2020-09

Industrial automation systems and integration - Physical device control - Data model for computerized numerical controllers - Part 121: Tools for turning machines
Edition 2005-09

Information technology - Small Computer System Interface (SCSI) - Part 121: Passive Interconnect Performance (PIP)
Edition 2010-10

Information technology - UPnP Device Architecture - Part 12-1: Remote User Interface Device Control Protocol - Remote User Interface Client Device
Edition 2015-06

Aerospace series - LOTAR - LOng Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data - Part 121: Semantic representation of CAD 3D Explicit Geometry with Product and Manufacturing Information
Edition 2024-05-15

Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 12-1: Type SC-PC and SC-APC fan-out using IEC 60793-2 category B1.1 singlemode fibre
Edition 2004-11-01

Measuring relays and protection equipment - Part 121: Functional requirements for distance protection (IEC 60255-121:2014) (german version)
Edition 2015-02-01

Connectors for electronic equipment - Tests and measurements - Part 12-1: Soldering tests - Test 12a: Solderability, wetting, solder bath method (IEC 60512-12-1:2006)
Edition 2006-12-01

Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheets 121 to 124: Extruded silicone sleeving (IEC 60684-3-121 to 124:2001)
Edition 2002-06-01