What does OSO stand for?
OSO stands for "Official Secrets Ordinance"
How to abbreviate "Official Secrets Ordinance"?
"Official Secrets Ordinance" can be abbreviated as OSO
What is the meaning of OSO abbreviation?
The meaning of OSO abbreviation is "Official Secrets Ordinance"
What does OSO mean?
OSO as abbreviation means "Official Secrets Ordinance"
