B9

(Redirected from B-9)

B9 or B-9 may refer to:

Vitamin B9, folic acid.
B9, the IATA code for Iranair Tours.
The Boeing Y1B-9, a bomber of the United States Army Air Corps.
HMS B9, a B-class submarine of the Royal Navy.
B9, an international standard paper size (44×62 mm), defined in ISO 216.

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