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| Termotecnica snc Steam boiler - heating plant water treatment | Company | |
| Leroux et lotz Sheet metal working - pipes - mechanics engineering specific-purpose machines maintenance - naval construction | Company | ||
| L.p.v. caldaie srl Steam electrical boilers without stoker diathermal fluid boilers autoclaves, tanks basins for boiling sterilising | Company | ||
| Rouanet chaudieres Industrial boiler makers (100 - 6000 kw) industrial chimneys corten steel stainless steel | Company | ||
| Tecnositer srl 30,000/40,000 kcal/h steam boilers steam up to 80 bar diathermic oil boilers | Company | ||
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