| pmp.co.za | |
| 网站标题： | Denel |
| 网站简介： | PMP is an integrated manufacturer of small- and medium-calibre ammunition, brass products, detonics, power cartridges and mining drill-bits |
| 关键字： | small medium calibre rounds ammunition manufacturer brass products shells detonics ejection cartridges power mining drill-bits pretoria PMP Pretoria Metal Pressings Denel |
| electricidadbasica.net | |
| 网站标题： | Electricidad - Fundamentos básicos sobre electricidad - electricidadbasica.net |
| 网站简介： | Tutorial de fundamentos b醩icos sobre electricidad, temas en formato pdf |
| 关键字： | electricidad corriente alterna corriente directa conductores electricos calibre de los conductores uniones electricas canalizaciones electricas instalaciones electricas tierra fisica sistema d |
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