BS 3939-12(1991) : 1991已作废
GRAPHICAL SYMBOLS FOR ELECTRICAL POWER, TELECOMMUNICATIONS AND ELECTRONICS DIAGRAMS - GUIDE FOR BINARY LOGIC ELEMENTS
出版：British Standards Institution
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基本信息
标准编号： BS 3939-12(1991) : 1991
发布时间：1991/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：248
标准简介
Incorporates graphical symbols which have been developed to represent logic functions. Intended to represent physical devices capable of carrying out these functions. The symbols have been prepared with a view to electrical applications, but the majority may also be applied to non electrical devices. Covers symbol construction, qualifying symbols associated with inputs outputs and other connections, dependency notation, combinative and sequential elements and complex function elements.
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