Water wheel-device for use with dynamo for providing electrical energy by utilizing surface water of flowing water body, has water catch elements provided in area of circumference of water wheel
DE19632793A1
water wheel
DE19632794C1
Facade compound board material
DE3725865C1
Panel, in particular facade panel
DE3725866A1
Self-supporting thermal insulation board
DE3516597A1
Roof construction having a ducted fresh-air line running underneath the roof cladding
ATA182683A
Thermal insulation plate
DE3238861A1
Sloping roof construction
DE3235252A1
Heat insulating slab
ATA536179A
Heat insulation panel, especially for roof insulation
DE2857406A1
Multilayer heat and sound insulating floor slab - has air chambers in hard foam panel overlapping outwards from joint
DE2839697B1
Multi-layer heat insulation board, especially for floors
