General Exchange Format was created in 2001.
GPS eXchange Format was created in 2002.
PDF means Portable Document Format.Portable Document Format (PDF) is a file format created by Adobe Systems in 1993 for document exchange.
Drawing Interchange Format or Drawing Exchange Format.
From what i found CXF "Color Exchange Format" also "Chemical Exchange Format. Those are the only two i can find. I hope that is what you are looking for.
General format= AC + CD -> AD + CB
General format= AC + CD -> AD + CB
The purpose of the general format and layout is that it gives you a standard procedure.
Negative Format was created in 1996.
Linux Format was created in 2000.
Anamorphic format was created in 1953.
PC Format was created in 1991.
Commodore Format was created in 1990.