SJ电子行业标准 SJ 50973/8-1998 SFF-50-5-51型聚四氟乙烯绝缘柔软射频电缆详细规范 SJ 50973/8-1998.Cables, radio frequency, flexible,polytetrathuoroethylene(PTFE) insulation type SFF-... 01月16日SJ 50973/8 阅读全文