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WITHDRAWN published on 1.1.1965
Selected format:Railway bridge span series
WITHDRAWN published on 19.7.1994
Selected format:General specifications for 4GHz 960 telephone channel/colour TV analog radio relay communication equipments
WITHDRAWN published on 13.4.1988
Selected format:General specifications of miniaturized electromechnical components used for narrow frame of telecommunication equipment
WITHDRAWN published on 1.1.1988
Selected format:Specification for type EY501 power travelling wave tube
WITHDRAWN published on 1.1.1988
Selected format:General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications installations
WITHDRAWN published on 1.1.1988
Selected format:General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications installations
WITHDRAWN published on 2.8.1999
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Determination of resolving power for photographic materials
WITHDRAWN published on 13.4.1988
Selected format:Latest update: 2026-04-30 (Number of items: 2 275 280)
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