12L Multilayer PCB 12L Multilayer PCB PCB Heave copper PCB Double-sided HASL PDFmyURL.com a R search RELATED PRODUCTS 12L Multilayer PCB 4 layers Gold Finger tag： 12L Multilayer PCB co2 laser pulse frequency hitaichi drill56，0.0458 Finished RELATED TAGS TIME:2011-1-26 11:39:00 PV:109 TIME:2010-9-1 22:11:00 PV:333 TIME:2011-1-24 10:59:00 PV:74 TIME:2011-1-3 11:04:00 PV:72