What does I&O mean in Governmental & Military

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All I&O meanings

What does I&O stand for?

I&O stands for "Inlet and Outlet"

How to abbreviate "Inlet and Outlet"?

"Inlet and Outlet" can be abbreviated as I&O

What is the meaning of I&O abbreviation?

The meaning of I&O abbreviation is "Inlet and Outlet"

What does I&O mean?

I&O as abbreviation means "Inlet and Outlet"