http://mech.spbstu.ru/?title=File:Vel0420.pdf&feed=atom&action=history File:Vel0420.pdf - Revision history 2024-03-28T14:46:30Z Revision history for this page on the wiki MediaWiki 1.27.3 http://mech.spbstu.ru/?title=File:Vel0420.pdf&diff=145505&oldid=prev Алеся at 05:28, 7 December 2020 2020-12-07T05:28:01Z <p></p> <p><b>New page</b></p><div></div> Алеся