Building material machines - Mixers for concrete and mortar - Part 1: Terms, determination of performance, sizes
Edition 1995-11

Displacement compressor; thermodynamic acceptance and performance test
Edition 1980-11

German construction contract procedures (VOB) - Part A: General provisions relating to the award of construction contracts
Edition 2019-09

German construction contract procedures (VOB) - Part B: General conditions of contract relating to the execution of construction work
Edition 2016-09

Endless V-belts for Mechanical Engineering; Calculation of Drives, Power Ratings
Edition 1976-04

Gas turbines; standard reference conditions, standard power and performance data
Edition 1979-12

Service and working scaffolds - Part 1: Service scaffolds - Performance requirements, general design, structural design
Edition 2004-03

Heating appliances - Part 3: Conversion of the standard thermal output
Edition 2000-10

Central heat-water-installations; rules for testing the efficiency of water-heaters in dwelling houses
Edition 1994-04