IS 8270 Pt.1-1976

标准号：IS 8270 Pt.1-1976
发布日期：1977/2/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard ( Part I ) covers the definitions and classification of dia-grams, charts and tables used in electrotechnology in order to explain func-tions or show connections and to give information for manufacture, instal-lation and maintenance.1.2 Two kinds of classification have been adopted:a) classification according to purpose, andb) classification according to method of representation.Note — In practice, the type of diagram is determined by its purpose, the method(s) of representation being chosen for convenience.