AS 2381.7-1989 PDF

Published Date: 01/01/1989

Electrical equipment for explosive atmospheres - Selection, installation and maintenance, Part 7: Intrinsic safety i

Published Date: 01/01/1977

Selection, installation and maintenance of electrical apparatus and associated equipment for use in explosive atmospheres (other than mining applications), Part 4: Apparatus with type of protection ''i'' - intrinsically safe apparatus and systems

Published Date: 01/01/1977

Code of practice for application and installation of shunt diode safety barriers

Published Date: 01/01/2004

Graphical symbols for use on equipment, Part 2.7: Safety aspects

Published Date: 11/03/2023

Low-voltage switchgear and controlgear, Part 3: Switches, disconnectors, switch-disconnectors and fuse combination units (IEC 60947-3:2020 (ED. 4.0) MOD)

Published Date: 03/28/2024

Fuel cell technologies, Part 4.101: Fuel cell power systems for electrically powered industrial trucks - Safety (IEC 62282-4-101:2022, (ED. 2.0) MOD)

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