SJ电子行业标准 SJ 50973/10-1998 SFF-50-3-51型聚四氟乙烯绝缘柔软射频电缆详细规范 SJ 50973/10-1998.Cables, radio frequency, flexible,polythtrafluoroethylene (PTFE) insulation,type SF... 01月16日SJ 50973/10 阅读全文