The "CCH" prefix and file format suggest this archive may come from:
The file cch.7z.003 is not a standalone paper or document; it is the . cch.7z.003
: Open only the first file ( cch.7z.001 ) using the 7-Zip utility . The "CCH" prefix and file format suggest this
We advise that firms not try to export all files in one batch or job. cch.7z.003
: "CCH" is also used as an abbreviation for Carbachol in pharmacology studies, such as research on amylase secretion .