B1

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B1 or B-1 may refer to:

[edit] B1

• Vitamin B1, also known as Thiamine
• B1 (TV station), in Berlin, Germany
• B1 star, a subclass of B-class stars
• HMS B1, a B-class submarine of the Royal Navy
• USS B-1, a B-class submarine of the United States Navy
• B-1 Lancer, a USAF heavy bomber aircraft
• LNER Thompson Class B1 a British steam locomotive
• Huff-Daland XB-1, an old American biplane bomber
• B1, an international standard paper size (707 × 1000 mm), defined in ISO 216
• B1, a level in the Common European Framework of Reference for Languages
• A security class in the TCSEC
• In town and country planning in the UK, B1 is the code for permission to use specific land or premises for offices, light industry
• B1, one of the two Bananas in Pyjamas
• Char B1, a French heavy tank

[edit] B.I

• AEG B.I, a German reconnaissance aircraft during World War I