
Rules for the preparation of detail specifications for all-or-nothing electromechanical relays of assessed quality primarily intended for telecommunication applications. Full and basic assessment levels
出版:British Standards Institution

专家解读视频
Lists ratings, characteristics, inspection requirements and supplementary information particularly for enclosed telecommunication relays which are to be included as minimum mandatory requirements in any detail specification for these relays.
© British Standards Institution 2013
Amendment notes:
AMD 4205 published 31 January 1983