| 摘要 |
<P>PROBLEM TO BE SOLVED: To accurately perform sales management of working machines. <P>SOLUTION: In a sales management system 1 for managing the stock of tractors 2 retained in a work machine parking site E of a dealer 4, the tractors 2 are equipped with radio communication terminals 7 for work machines, and the dealer 4 is equipped with a radio communication terminal 7 for work machines and a radio transceiver 6 for performing radio communication. The sales management system 1 includes sold determination means 50 determining that when the radio communication between a radio communication terminal 7 for work machines and the radio transceiver 6 for performing radio communication is lost, the tractor 2 equipped with the radio communication terminal 7 for work machines become non-existent in the work machine parking site E. <P>COPYRIGHT: (C)2012,JPO&INPIT |
