中华人民共和国国家标准 (Guobiao — Mandatory National Standards)China权威分: 83
GB 19261
Fastening systems for railway rails
行业
Railway
产品类别
Rail Fastening
关键词
["铁路","扣件","railway","fastening"]
Fastening systems for railway rails
Railway
Rail Fastening
["铁路","扣件","railway","fastening"]