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(11) | EP 0 165 917 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Writing or drawing paper |
(57) A writing or drawing sheet imprinted with a pattern of parallelograms (12) defined
by a grid consisting of two crossing groups of parallel lines (10,11). The grid lines
are made up of uniformly spaced dots (13) and each corner of the parallelograms (12)
is marked by a dot common to the two lines defining the sides of the parallelogram
(13) adjacent to the corner. |