folio (Q772267)
traditional book format, often linked to the paper format that results when a sheet is folded once, which corresponds to 2 sheets (and 4 pages); it is close to A2 format
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fol.

description traditional book format, often linked to the paper format that results when a sheet is folded once, which corresponds to 2 sheets (and 4 pages); it is close to A2 format

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