WHG approvals
Download the WHG approvals (in German) here:
BIRCOdicht
[PDF, 227,56 KB]
BIRCOprotect
[PDF, 42,28 KB]
BIRCOpur
[PDF, 220,68 KB]
BIRCOsolid slot channels
[PDF, 38,91 KB]
BIRCOsolid slot channels Pfuhler
[PDF, 156,46 KB]
BIRCOsolid grid channels
[PDF, 43,94 KB]