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Cigarette with a change of speed of burning, methods for producing a cigarette with a change of speed of combustion and to form a cigarette which has a double envelope part and apparatus to form a cigarette, which presents a modification of the speed of burning.
Cigarette with a change of speed of burning, methods for producing a cigarette with a change of speed of combustion and to form a cigarette which has a double envelope part and apparatus to form a cigarette, which presents a modification of the speed of burning.