中华人民共和国国家标准 (Guobiao — Mandatory National Standards)ChinaAuthority: 83
GB 19261
Fastening systems for railway rails
Industry
Railway
Product Family
Rail Fastening
Keywords
["铁路","扣件","railway","fastening"]
Fastening systems for railway rails
Railway
Rail Fastening
["铁路","扣件","railway","fastening"]