EN-60191-4 Complete Document History
Mechanical standardization of semiconductor devices - Part 4: Coding system and classification into forms of package outlines for semiconductor device packages

Complete Current Edition:
   2014 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - March 21, 2014
   2014/A1 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - May 18, 2018

Obsolete Revision Information:
   1999 EDITION AMENDMENT 1 - ONLY AVAILABLE IN NATIONAL EDITIONS - Feb. 1, 2002
   1999 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Oct. 1, 1999