Hi. I would greatly appreciate if you can enlighten me when was the JEDEC-14 symbol defined. Does "-14" stand for year 2014? Also there are some differences in the labels I've seen all marked as JEDEC-14. I am trying to identify when a vintage hardware was (re)packed...Thanks
https://www.jensentools.com/images/p/8315-g.01_s500_p1.jpg
https://www.jensentools.com/images/p/8315-g.01_s500_p1.jpg