| 摘要 |
A process and a device for tobacco packing plants equipped with a weighing unit working on two quick weighing stages, the first one for the weighing of the unit quantities of tobacco and the other one for the delivery of an additional quantity, said process and device allowing to adjust accurately the two weights delivered by a temporary locking of the beam of the balance, so as to damp over thrust occuring in the course of the weighing, especially when the initial quantities delivered are approximately identical to the final ones.
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