DIN 45604 PDF

Published Date: 04/01/1985

Speech material used in audiology; word lists for intelligibility testing in paediatric audiology

Published Date: 07/01/2010

Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones (IEC 60318-1:2009); German version EN 60318-1:2009

Published Date: 04/01/1997

Audiometers - Part 2: Equipment for speech audiometry (IEC 60645-2:1993); German version EN 60645-2:1997

Published Date: 07/01/1999

Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994)

Published Date: 01/01/1998

Determining the Resolving Power of Photographic Materials, Method for

Published Date: 01/01/1998

Photography - Roll film cameras - Back window location

Published Date: 03/18/1992

American National Standard for Photography - Front Lens Barrels up to 127 mm - Dimensions Important to the Connection of Auxiliaries

Published Date: 07/21/1999

Photography (Optics) - Photographic Lenses - Measurement Method for Distribution of Illuminance

Published Date: 01/01/1998

American National Standard for Photography (Lenses) - Visual and Photographic Resolving Power - Measurement Method

Published Date: 01/01/1998

Optics and Optical Instruments - Quality Evaluation of Optical Systems - Determination of Distortion