prov:value
| - A number of embodiments of the invention will be described in greater detail in conjunction with the drawings, in which: Fig. 1 is a diagrammatic view of an embodiment of a device designed to perform the method according to this invention; Figs. 2a, 2b are a side view, tively, of a wire-mesh web; Figs. 3, 4 and 5, 6 and 7, 8 and 9, 10, respectively, are enlarged cross sections and plan views of We
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