臂架起重机|沙特标准|SASO-ISO-TR-25599
SASO-ISO-TR-25599
Cranes – Jib cranes – International Standards for design, manufacturing, use and maintenance requirements and recommendations
起重机-臂架起重机-设计,制造,使用和维护的国际标准要求和建议
臂架起重机|沙特标准|SASO-ISO-TR-25599
SASO-ISO-TR-25599
Cranes – Jib cranes – International Standards for design, manufacturing, use and maintenance requirements and recommendations
起重机-臂架起重机-设计,制造,使用和维护的国际标准要求和建议
15271807183 |
在线认证咨询 |