JIS-C-0617-2 Complete Document History
Graphical symbols for diagrams -- Part 2: Symbol elements, qualifying symbols and other symbols having general application

Complete Current Edition:
   2011 EDITION - Part 2: Symbol elements, qualifying symbols and other symbol - Jan. 1, 2011

Obsolete Revision Information:
   1997 EDITION - GRAPHICAL SYMBOLS FOR DIAGRAMS - Jan. 1, 1997