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Railway telecommunications. Train radio communication. Technical specification and methods of control

Document status: Cancelled

Sensitometry of screen/film systems for medical radiography. Part 1. Determination of sensitometric curve shape, speed and average gradient

Document status: Active

Identification cards. Recording technique. Part 2. Low coercivity magnetic stripe

Document status: Active

Main video channel of radio relay and satellite transmission system. Basic parameters and measuring methods

Document status: Active

Information technology. Open systems Interconnection. The directory. Part 6. Selected attribute types

Document status: Active

Optical fibres. Part 2-60. Product specifications. Sectional specification for category C single-mode interconnection fibres

Document status: Active