| 1309. | Cap and pin insulatorsData: década 40 |  | |
| 1310. | Kanthal alloys for high temperatures electric resistance materialData: 1944 | | |
| 1311. | General Electric Portuguesa S.A.R.LData: [s.d.] | | |
| 1312. | General Eletric.The Magic That is LightData: [s.d] | | |
| 1313. | ACEC. Regulation Fonctionnelle CHANCE | | |
| 1314. | ACEC. 552.10 - Instrumentation industrielle : Transmetteurs | | |
| 1315. | ACEC. Démarreurs manuels - type DMT16 e DFT16 | | |
| 1316. | ACEC. 311-11. 51 - Sectionneurs tripolaires | | |
| 1317. | ACEC. Enregistrement printometrique centraliseData: [s.d.] | | |
| 1318. | Quelques exemples de Diagrammes de nos appareils " ADOS" | | |
| 1319. | ASEA. 16 - Light public lighting designData: [s.d.] | | |
| 1320. | ASEA. 17 - Light public lighting designData: [s.d.] | | |