中华人民共和国铁路行业标准 (Railway Industry Standards)ChinaAuthority: 58
TB/T 2493
Technical specification for railway rail fastening systems
Industry
Railway
Product Family
Rail Fastening
Keywords
["铁路","扣件","railway","fastening"]
Technical specification for railway rail fastening systems
Railway
Rail Fastening
["铁路","扣件","railway","fastening"]