VNBTECH Powerpoint GPS tracking system

[vnbtech]

cha`o ca'c ba.n,

Moi cai ban do.c cai phan gioi thieu ve tong quat cua GPS tracking system.
ftp://ftp.satatechnologies.com/uploads/vnbtechtrackingsystemsRev1.1.pdf
ftp://ftp.satatechnologies.com/uploads/vnbtechtrackingsystemsRev1.1.ppt

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