Latest Firefox 13 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/7722-01-27 10:21:10.747589 Firefox/13.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/5790-09-12 19:19:16.042618 Firefox/13.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_8; rv:1.9.4.20) Gecko/9610-05-04 01:53:36.760773 Firefox/13.0 Mac 10 Unknown
Mozilla/5.0 (Windows NT 4.0; tl-PH; rv:1.9.0.20) Gecko/6265-07-17 11:52:03.213242 Firefox/13.0 Windows NT Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_7_3; rv:1.9.5.20) Gecko/6598-03-26 21:47:39.184631 Firefox/13.0 Mac 10 Unknown
Mozilla/5.0 (Windows NT 10.0; lij-IT; rv:1.9.1.20) Gecko/2689-03-04 22:13:28.971760 Firefox/13.0 Windows 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/5633-12-18 22:04:30.007584 Firefox/13.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/6287-03-01 18:00:57.260544 Firefox/13.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_9_7; rv:1.9.3.20) Gecko/7518-10-27 14:41:04.147095 Firefox/13.0 Mac 10 Unknown
Mozilla/5.0 (Windows 95; ja-JP; rv:1.9.2.20) Gecko/8682-07-30 05:25:33.709412 Firefox/13.0 Windows 95 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_0; rv:1.9.5.20) Gecko/4954-11-19 00:11:07.336380 Firefox/13.0 Mac 10 Unknown
Mozilla/5.0 (PPC; rv:13.0) Gecko/2020610 Firefox/13.0 Mac Unknown
Mozilla/5.0 (PPC; rv:13.0) Gecko/201388 Firefox/13.0 Mac Unknown
Mozilla/5.0 (PPC; rv:13.0) Gecko/201139 Firefox/13.0 Mac Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.9; rv:13.5) Gecko/20100101 Firefox/13.5.5 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.8; rv:13.2) Gecko/20100101 Firefox/13.2.4 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.7; rv:13.3) Gecko/20100101 Firefox/13.3.8 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.7; rv:13.2) Gecko/20100101 Firefox/13.2.4 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.5; rv:13.7) Gecko/20100101 Firefox/13.7.7 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.5; rv:13.1) Gecko/20100101 Firefox/13.1.2 Mac 10 Unknown