A goods sales management system has a plurality of goods vending machines 1provided with containers for storing a plurality of goods and a vending machine management apparatus 80 connected to each of the plurality of the goods vending machines via a communication line 70. The goods vending machine 1...http://www.google.com/patents/US7515989?utm_source=gb-gplus-sharePatent US7515989 - Goods sales management system and goods sales management method
