try posting a pic of the cranks on the C&V website and hopefully some one can tell you. did you try Velobase?
http://velobase.com/BrandDirectory.aspx
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk