TECNICA
-
1433
Technical balance -
1461
Bucket & cylinder Apparatus -
2000
Solar water heater -
2071
Two-stroke engine -
2101
Four-stroke engine -
2102
Diesel engine -
5276
Small electrical motor -
5311
Photovoltaic panel with base -
5314
Hydraulic turbine -
5315
Wind turbine model -
5316
Air generator -
5317
Solar energy motor -
5318
Photovoltaic panel -
5319
Model of solar vehicle -
5350
Thermoelectric generator -
5374
Peltier’s cell -
5412
Fuel cell with separable devices -
5423
Wind device