Energie aus sonstigen Quellen
Energy technology;Energy source;Energy production;Alternative energy source;Solar energy
N.N.

Energie aus sonstigen Quellen
Solar energy
Wenner, H.-L.

Dreizugkessel mit Unterschubfeuerung für Holzspäne und Häckselstroh
Straw-firing;Woodchip furnace
Hofstetter, E.
1978

Energy technology;Energy production;Wind mill;Weather station;Meteorological unit
Schulz, H.
1975

Torfgewinnung
Energy technology;Energy production;Bio mass;Peat extraction
N.N.

Energy technology;Energy production;Bio mass;Wood chips
N.N.

Alternative Kraftstoffe
Energy technology;Energy production;Alternative energy source;Fuel
N.N.

Energy technology;Energy production;Bio mass;Wood chipper;Wood chips
N.N.

Energy technology;Energy production;Bio mass;Wood chipper;Wood chips
N.N.

Torfstechmaschine
Energy technology;Energy production;Bio mass
N.N.