German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)
Edition 1998-07

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 1: Format A (IEC 61595-1:1997); German version EN 61595-1:1997
Edition 1998-07

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); sampling of sediments (S 11)
Edition 1987-08

Sensory analysis - A - not A test
Edition 2003-08

Tee wrench socket, single head and tubular single-head - Test torques series A
Edition 2007-09

Machine tools; Multi-spindle heads; Boring spindles Types A and B
Edition 1981-10

Machine tools; Multi-spindle heads; Assemblies, Intermediate shafts Types A to P
Edition 1981-10

Machine tools; Multi-spindle heads; Assemblies, Boring spindles Types A to D
Edition 1981-10

Piston rings; quality requirements; visible characteristics, marking; supplement to DIN ISO 6621 Part 5
Edition 1991-04

Machine tools; multi-spindle heads; assemblies, drives types A to K
Edition 1992-08