Hello,

can someone date these lamps? :

Osram HQL 125W Code: exSc  with stamp at the socket: u62
Osran HQL 80W  Code: jfX
Sylvania HSL-BW 125W Code: LFX
Radium HRL 125W Code: 1q8
Radium HQL 80W  Code: 1o3
Radium MRL 160W 235V Code: 1w5
Radium MRL 250W 235V with E27 socket Codoe: 1y7

Thank you in advance!