Latest Chrome Frame 28 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows NT 6.1; WOW64; chromeframe/28.0.1500.71) AppleWebKit/537.36 (KHTML like Gecko) Chrome/28.0.1500.71 Safari/537.36 Windows 7 Unknown
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; chromeframe/28.0.1500.71) Windows 7 Unknown
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; chromeframe/28.0.1500.71) Windows 8 Unknown
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; chromeframe/28.0.1500.52) Windows 8 Unknown
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; chromeframe/28.0.1500.37) Windows 8 Unknown
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0; chromeframe/28.0.1500.71) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; chromeframe/28.0.1500.95; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; chromeframe/28.0.1500.71; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; chromeframe/28.0.1500.71; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; MRSPUTNIK 2, 4, 0, 516; chromeframe/28.0.1500.95; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; AskTbPTV/5.13.1.18107; .NET4.0C) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; chromeframe/28.0.1500.95; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MS-RTC LM 8; .NET4.0C; .NET4.0E; InfoPath.2) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; chromeframe/28.0.1500.95; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; chromeframe/28.0.1500.71; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0) Windows 7 Unknown
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; MathPlayer 2.20; chromeframe/28.0.1500.95; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E; InfoPath.3; IPH 1.1.21.4019) Windows XP Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.5; chromeframe/28.0.1500.95; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; WinNT-EVI 12.01.2010; MS-RTC LM 8; .NET CLR 2.0.50727; lib/5.0\x5C0195; Engine/4.00195; 89670803) Windows XP Unknown
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB7.4; chromeframe/28.0.1500.44; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.2; Tablet PC 2.0; MS-RTC EA 2; .NET4.0E; MS-RTC LM 8) Windows 7 Unknown