valentin
Valentin Grempka
Telecom Engineer focused on DWDM and optical transmission. Senior Technical Service Engineer at Adtran.
France

Following (3)

gregdel
adrien
Adrien Magnus
pouulet
PouuleT

Followers (5)

adrien
Adrien Magnus
yemisi4life
Yemisi Falade
jdenoy
Johan Denoyer
pouulet
PouuleT
gregdel

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