Unplasticized poly (vinyl chloride) (PVC-U) three layer pipes with recycled foamed core
Edition 2006-03-25

Unplasticized poly (vinyl chloride) (PVC-U) three layer pipes with recycled solid core
Edition 2006-03-25

Steel pipes - External corrosion resistant coating Part 1: Three layer polyethylene
Edition 2015-09-21

Steel pipes - External corrosion resistant coating Part 2: Three layer polypropylene
Edition 2015-09-21

TDMA- Third Generation Wireless- Digital Traffic Channel Layer Three
Edition 2004-01-13

Electricity metering data exchange - The DLMS/COSEM suite - Part 7-6: The 3-layer, connection-oriented HDLC based communication profile (IEC 62056-7-6:2013); English version EN 62056-7-6:2013
Edition 2014-09

Plain bearings - Bearing fatigue - Part 4: Test on half-bearings of a metallic multilayer bearing material (ISO 7905-4:1996)
Edition 1998-09

Industrial communication networks - Fieldbus specifications - Part 3-17: Data-link layer service definition - Type 17 elements (IEC 61158-3-17:2007); English version EN 61158-3-17:2008, only on CD-ROM
Edition 2008-09

Industrial communication networks - Fieldbus specifications - Part 6-11: Application layer protocol specification - Type 11 elements (IEC 61158-6-11:2007); English version EN 61158-6-11:2008, only on CD-ROM
Edition 2008-09

Aerospace series - Modular and Open Avionics Architectures - Part 001: Architecture; German and English version EN 4660-001:2011
Edition 2011-07