| Date | Description |
|---|
| 2017-07-23 |
insert alias Prof-Tel Ltd |
| 2017-07-23 |
update person_title Esa Kerttula: President and Owner, Prof - Tel Oy Ltd => President and Owner, Prof - Tel Oy Ltd / Professor, Emeritus |
| 2015-08-14 |
update person_title Esa Kerttula: President and Owner, Prof - Tel Oy Ltd / Professor, Lappeenranta University of Technology => President and Owner, Prof - Tel Oy Ltd |
| 2013-11-22 |
delete fax +358 9 2959 1534 |
| 2013-11-22 |
delete phone +358 45 6700 447 |
| 2013-11-22 |
delete phone +358 9 2959 1522 |
| 2013-11-22 |
insert phone 045-6700 447 |
| 2013-05-08 |
delete source_ip 193.229.9.131 |
| 2013-05-08 |
insert source_ip 195.197.95.171 |