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Subject 

1. Lighting  (38,936)
2. Weapons  (38,934)
3. Blasting  (38,934)
4. Heating  (38,934)
5. Mechanical Engineering  (38,934)
6. Engineering Elements And Units  (16,592)
7. Thermal Insulation In General  (16,592)
8. General Measures For Producing And Maintaining Effectivefunctioning Of Machines Or Installations  (16,592)
9. Transporting  (9,374)
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11. Ventilating  (5,289)
12. Ranges  (5,289)
13. Means For Thermal Insulation In General  (4,687)
14. Joints Or Fittings For Pipes  (4,687)
15. Pipes  (4,687)
16. Supports For Pipes, Cables Or Protective Tubing  (4,687)
17. Electricity  (3,744)
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Databases 

1. esp@cenet  (40,591)
2. Europeana Collections  (4)
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Language 

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