Solar thermal electric plants - Part 3-1: General requirements for the design of parabolic trough solar thermal electric plants (IEC 117/117/CDV) (english version)
Edition 2020-06-15

Universal serial bus interfaces for data and power - Part 1-3: Common components - USB type-c cable and connector specification (IEC 100/4139/CDV) (english version)
Edition 2024-06-15

HOME AND BUILDING ELECTRONIC SYSTEMS (HBES). PART 3-1: ASPECTS OF APPLICATION. INTRODUCTION TO THE APPLICATION STRUCTURE.
Edition 1997-11-26

Evaluation and routine testing in medical imaging departments - Part 3-1: Acceptance tests - Imaging performance of X-ray equipment for radiographic and radioscopic systems.
Edition 2000-10-31

GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 3-1: BOILER - WATER TUBE BOILERS
Edition 2000-07-26

Packaging of winding wires - Part 3-1: Taper barrelled delivery spools - Basic dimensions.
Edition 2001-05-16

Communication cables - Specifications for test methods - Part 3-1: Mechanical test methods - General requirements.
Edition 2002-01-19

Connectors for electronic equipment - Tests and measurements - Part 3-1: Insulation tests - Test 3a: Insulation resistance.
Edition 2002-12-16

Insulating materials - Industrial rigid moulded laminated tubes and rods of rectangular and hexagonal cross-section based on thermosetting resins for electrical purposes - Part 3-1: Specifications for individual materials - Tubes and rods of rectangular and hexagonal cross-section
Edition 2004-10-08

Dependability management - Part 3-1: Application guide - Analysis techniques for dependability - Guide on methodology
Edition 2005-12-14