Din vs Cef - What's the difference?
din | cef |
Deutsches Institut für Normung. (German Institute for Standardization)
A formerly used logarithmic expression of the speed of a photographic film, plate, etc.; high-speed films have high numbers.
: (China Expeditionary Force)
: (Cameroon Expeditionary Force)
(military, Canada) (Canadian Expeditionary Force) of WWI
