| 摘要 |
An aggregation system for sales of immaterials in the form of signals without relying on a material distributing system, said aggregation system comprising a unit for processing and administrating the signal informations; frontal units distributed adequately in each district for executing practices of sales of the signal informations to each customer including a money collecting device; and a receptacle unit owned by each customer for reading and storing the purchased blocks of signal informations. <IMAGE> |
