HTTP/1.1 200 OK Content-Type: application/pdf Last-Modified: Mon, 06 Jan 2014 02:14:19 GMT Accept-Ranges: bytes ETag: "072e9185acf1:0" Server: ΞΆΘν-IIS/7.5 X-Powered-By: ASP.NET Date: Thu, 15 Nov 2018 20:16:48 GMT Content-Length: 0