Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Generic functional protocol for the support of supplementary services [ISO/IEC 11582 (2002) modified] (Endorsement of the English version EN 300239 V1.3.1 (2003-06) as German standard)
Edition 2004-03

Ergonomics of the thermal environment - Principles and application of relevant International Standards (ISO 11399:1995)
Edition 2001-01

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 3: Specific principles for the equipment for aerobical biological wastewater treatment
Edition 2002-12

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 8: Specific principles for the equipment for sewage treatment in granular media filter and granular fixed bed filter
Edition 2005-06

Visual display performance marine technology - Part 1: Selection of colours, association of colours, principles of design
Edition 1999-05

Ergonomic principles related to mental workload - Part 2: Design principles (ISO 10075-2:1996); German version EN ISO 10075-2:2000
Edition 2000-06

Principles of terminology for physical quantities; composition of terms with adjectives and substantives
Edition 1986-08

Grease separators - Part 1: Principles of design, performance and testing, marking and quality control; German version EN 1825-1:2004
Edition 2004-12

Basic and safety principles for man-machine interface, marking and identification - Actuating principles (IEC 60447:2004); German version EN 60447:2004
Edition 2004-12

Wastewater treatment plants - Outlet installations, weir and scum baffle, submerged effluent pipes in tanks - Construction principles, main dimensions, layout
Edition 2002-12