30.97 End of interruption of work - split/merged Dec 2, 1989
CEN
CEN/TC 129 Glass in building
European Norm
Characteristics treated in this standard are relevant to mechanical resistance, direct airborne sound insulation, thermal resistance, solar energy transmission.
ABANDON
cen:proj:4082
30.97
End of interruption of work - split/merged
Dec 2, 1989