| 摘要 |
A sheet of flat paper or poster stock has information printed on one side in the form of separate and independent areas of discrete information units, and a large-scale poster-like pattern occupying substantially the entire available area of the opposite side surface of the sheet. A plurality of straight crease lines are marked on one surface of the sheet, arranged to define a coordinate grid-like pattern surrounding the various discrete information units, such that the sheet may be folded conveniently along the crease lines to form a fold-out booklet having a plurality of leaves with units of information printed on each leaf, similar in nature to the pages of a book. In one form of the invention, the crease lines are defined by a plurality of weakened sections of the poster stock material having a fold resistance that is less than the unweakened portions of the sheet, but is sufficient to withstand the forces produced by rolling the sheet into a diameter consistent with commonly available postal mailing tubes, so that the sheet may be rolled for transport and then unrolled into substantially flat, unfolded condition for display of information printed on at least one surface of the sheet in the form of a poster.
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