Ski used for downhill runs - has side edge elements and centre guide and has bulbous shape in cross=section on either side of centre on running surface
AU6225280A
Underground tank used as a water supply tank for heat pumps
DE3024031A1
Underground water reservoir for heat pump - has foam insulating layer inside concrete layer with embedded heat exchange coil
DE2932598A1
IC engine connecting rod - has shank offset sideways from line joining small and big end centres
DE2931861A1
Underground water reservoir for heat pump - has foam insulating layer inside concrete layer with embedded heat exchange coil
US4258703A
Roof and wall covering
ES469507A1
Roof or wall covering
DE2749490A1
House insulating wall or roof cover - comprises hollow plates with tongues and grooves at opposite lengthwise edges
DE2720824A1
House insulating wall or roof cover - comprises hollow plates with tongues and grooves at opposite lengthwise edges
