What does the stamp on the narrow side of KVH bars mean?

GW 18 15/38 27062006 S10 FMPA means:

• GW = GELO Weißenstadt
• 18 = maximum 18% wood moisture
• 15/38 = tine profile, i.e. 15mm tine depth, 3,8mm tine pitch
• 27062006 = Date of gluing in the format ddmmyyyy
• S10 = strength grading class
• FMPA = abbreviation of the external monitoring body