What does OCA stand for?
OCA stands for "Original Classification/Classifying Authority"
How to abbreviate "Original Classification/Classifying Authority"?
"Original Classification/Classifying Authority" can be abbreviated as OCA
What is the meaning of OCA abbreviation?
The meaning of OCA abbreviation is "Original Classification/Classifying Authority"
What does OCA mean?
OCA as abbreviation means "Original Classification/Classifying Authority"
