7008 Multiple-walled Insulating Units of Glass

7008 (01/1988-..) Multiple-walled Insulating Units of Glass 70080011 (01/1988-12/1990) Insulating Units, Double-walled, Coloured Throughout the Mass 'body Tinted', Opacified, Flashed or Having an Absorbent or Reflecting Layer 70080019 (01/1988-12/1990) Insulating Units, Triple- and Multiple-walled, Coloured Throughout the Mass 'body Tinted', Opacified, Flashed or Having an Absorbent or Reflecting Layer 70080020 (01/1995-..) Multiple-walled Insulating Units of Glass, Coloured Throughout the Mass, Opacified, Flashed or Having an Absorbent or Reflective Layer 70080021 (01/1991-12/1994) Insulating Units Consisting of two Panels of Glass Sealed Around the Edges by an Airtight Joint and Separated by a Layer of Air, Other Gases or a Vacuum, Coloured Throughout the Mass 'body Tinted', Opacified, Flashed or Having an Absorbent or ReflectingLayer 70080029 (01/1991-12/1994) Multiple-walled Insulating Units of Glass Coloured Throughout the Mass 'body Tinted', Opacified, Flashed or Having an Absorbent or Reflecting Layer (Excl. 7008.00-21) 70080081 (01/1991-..) Insulating Units Consisting of two Panels of Glass Sealed Around the Edges by an Airtight Joint and Separated by a Layer of Air, Other Gases or a Vacuum (Excl. Coloured Throughout the Mass, Opacified, Flashed or Having an Absorbent or Reflective Layer) 70080089 (01/1991-..) Multiple-walled Insulating Glass Consisting of two Panels of Glass With an Interlayer of Glass Fibre, and Multiple-walled Insulating Glass Consisting of Three or More Panels of Glass (Excl. Coloured Throughout the Mass, Opacified, Flashed or Having an AbSorbent or Reflective Layer) 70080091 (01/1988-12/1990) Insulating Units, Double-walled (Excl. Units of Glass Coloured Throughout the Mass 'body Tinted', Opacified, Flashed or Having an Absorbent or Reflecting Layer) 70080099 (01/1988-12/1990) Insulating Units, Triple- and Multiple-walled (Excl. Units of Glass Coloured Throughout the Mass 'body Tinted', Opacified, Flashed or Having an Absorbent or Reflecting Layer)