CEI 121-5 PDF

Published Date: 06/01/2005

Household and similar electrical appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers

Published Date: 07/01/2005

Standard data element types with associated classification sheme for electric components - Part 4: IEC reference collection of standard data element types and component classes

Published Date: 03/01/2003

Prove su cavi isolati in carta o in laminato carta-polipropilene, riempiti con olio (con fluido) , sotto guaina metallica, e su accessori per tensioni alternate fino a ed inclusi 400 kV (Um = 420 kV)

Published Date: 01/01/1978

Contatori elettrici trifasi a tre sistemi per correnti fino a 80 A e per tensioni di riferimento fino a 450 V con indicatore di massima potenza, in custodia di materiale isolante - n. 4 tabelle.

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