National Standard Compilation of Graphic Symbols for Electrical Schematic Diagrams

Author: Compiled by China Standard Press
Publisher:
Publish Date: 2005-06-01
Features: This book comprehensively includes the GB/T 4728 series standards for graphical symbols for electrical diagrams, totaling 13 items. Among them, GB/T 4728.2-4728.12 are all revisions of national standards that have been identically adopted from the new versions of the IEC 417 series standards since 1996. All included standards are currently effective.