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8 résultats pour : energy policy

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Wood as a substitute for the steam navigation in Lucerne in the early forties
UMG24A17_332

Wood as a substitute for the steam navigation in L...

They work for the factory Schroeder where peat soaked in used oil becomes the fuel substitute
UMG24A31_131

They work for the factory Schroeder where peat soa...

Factory Schroeder
UMG24A30_396

Factory Schroeder

On Quaibrücke in Zurich
UMG24A30_307

On Quaibrücke in Zurich

They work in the factory Schroeder where peat soaked in used oil becomes the fuel substitute
UMG24A31_464

They work in the factory Schroeder where peat soak...

Kiln, heater, stove in the factory Schroeder.
UMG24A21_081

Kiln, heater, stove in the factory Schroeder.

Factory Schroeder
UMG24A31_235

Factory Schroeder

Taucher arbeiten auf dem Meeresgrund mit elektrischem Licht
UMG22A43_016

Taucher arbeiten auf dem Meeresgrund mit elektrisc...