| 摘要 |
Processing a web of a smoking rod wrapper comprises passing the web through initial and final printing stations in series, and then reeling up for subsequent use on a continuous tabacco rodmaking machine. The web is printed at the initial printing station on the surface with a regularly longitudinally spaced registration marking, and is then printed at the final printing station and on its other surface with a repetitive a regularly spaced pattern of a deposit contg. an additive which is arranged to improve the smoking qualities of the resulting smoking rod. Pref. the registration marking is bold printing in the form of a dot or transverse bar.
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