
1321.		Holophane. Éclairage intérieur à incandescence Data: [s.d.]
1322.		Industrias Arruti. Herrajes y accesorios de líneas de transporte de alta tension Data: [s.d.]
1323.		Schiess-Defries A.G. Stella : hydraulische Hebeböcke Data: [s.d.]
1324.		Evershed and Vignoles . Megger series I insulation testers Data: [s.d.]
1325.		Fein. Elektro-Handreissägen Data: [s.d.]
1326.		H. Johnson & Sons. Dispositivo Rotativo de cribar marca " Roto" a su transportador tipo pala
1327.		Westinghouse. Unit power plants Data: [s.d]
1328.		F.lli Bertolotti s.p.a [Catálogo] Data: [s.d.]
1329.		General Electric. Electrical of developments of 1949 Data: [s.d.]
1330.		ACEC. 200 - Transformateurs de distribution Data: [s.d.]
1331.		F. G. Wilson. The Perkins powered range of F.G Wilson generator sets 22 to 850 kVA Data: [s.d.]
1332.		General Electric. High-pressure sodium Ge Lucalox lamps, have the Edge Data: [s.d.]