20100049566 | Quality control system, quality control program, and client device - A quality control system comprises servers connected to companies having different quality control in-house systems and interconnected through networks and client devices operated by quality control managers belonging to the respective companies. In this quality control system, when the client device of one company logs in a server, according to the definition of the one company as a master and the definition of the customer company (step S | 02-25-2010 |