valentin
Valentin Grempka
Telecom Engineer focused on DWDM and optical transmission. Senior Technical Service Engineer at Adtran.
France
Browse others (15)
|
hugocampossanoma Hugo Campos |
|
|
nicholas4182 Nicholas |
|
|
agentfll Jordan Jeffries |
|
ta_tanaka_eimee 田中 大成 |
|
ykasper Yurii Kasper |
|
antonsotirov anton sotirov |
|
|
bharatjangir Bharat Jangir |
|
|
avongdara Akia Vongdara |
|
band William L. Anderson |
