According to {TAIL ~ a car navigation system} and a map version management method thereof, a version management method for {HEAD ~ a server} having maps of different versions and a car navigation apparatus is suggested 
According to { TAIL ~ a car navigation system } and a map version management method thereof , a version management method for { HEAD ~ a server } having maps of different versions and a car navigation apparatus is suggested
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH