GCB

In philosophy, the GCB is the greatest conceivable being[?], used in discussion of ontology.

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In the British honours system, a GCB is a "Knight Grand Cross" in the Order of the Bath[?].

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GCB is the Germany Convention Bureau[?], http://www.gcb.de.

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GCB is also the German Conference on Bioinformatics[?].

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In Ghana, GCB is the Ghana Commercial Bank[?], http://www.gcb.com.gh.

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In Nevada, the Gaming Control Board[?] (GCB) regulates gambling in the state.

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In Minnesota, GCB is the Minnesota Gambling Control Board[?], which regulates gambling in the state; http://www.gcb.state.mn.us.