C1

C1, C 1 or C-1 stands for:

A standard paper size (DIN 476/ISO 216)
A car model of the car manufacturer Citroën, see Citroën C1
A car model from 1935; see Chrysler C1
A covered motor scooter from BMW, refer to BMW C1
A mobile phone from Nokia, see Nokia C1
An Italian professional football league, see Serie C1
A class of boat in Canoeing, the One - Canadians
One climate class for dry type transformers, cast resin transformer see # climate classes C1 and C2
A software testing, see branch coverage test
Software used in digital photography to convert raw data into JPEG files; see C1 DSLR Pro
A clothing label of the company C1RCA, see C1 (company)
An historic grade in Germany (C1 to C4 for high school teachers by 2005 )
The computer motherboard C-One
One of the EU license classes
The first cervical vertebra of the cervical spine; see Atlas ( cervical vertebrae )
A level of the Common European Framework of Reference for Languages
One of the Mannheim squares
Called in mathematics the vector space of 1-fold continuously differentiable functions, see Function Space
The motorway Tokyo C1
A special unit of the South African police during the apartheid era, who committed numerous murders and known for her seat as Vlakplaas was
A Belgian assault rifle, see FN FAL

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