起重用钢制圆环校准链 正确使用和维护导则
Calibrated round steel link lifting chains - Guidelines to proper use and maintenance

2006-07-19

Calibrated round steel link lifting chains — Guidelines to proper use and maintenance
经校准的圆钢链环提升链——正确使用和维护指南

1983-10-01

Guide for proper use and maintenance of calibrated round steel link lifting chains
校准圆钢链环提升链的正确使用和维护指南

1984-08-31

NON-CALIBRATED ROUND STEEL LINK LIFTING CHAIN AND CHAIN SLINGS. USE AND MAINTENANCE
非校准圆钢链环提升链和链式吊索 使用和维护

1989-03-21

非校准起重圆环链和吊链 使用和维护
Non-calibrated round steel link lifting chain and chain slings - Use and maintenance

2008-07-09

Non-calibrated round steel link lifting chain and chain slings — Use and maintenance
未经校准的圆钢链环提升链和链式吊索——使用和维护

1986-12-11

Calibrated and tested round steel link chains for lifting purposes; grade 5
起重用经校准和测试的圆钢链；五年级

1984-05-01

Calibrated and tested round steel link chains for lifting purposes; grade 6
起重用经校准和测试的圆钢链；六年级

1984-05-01