JG 121-2000
Building hoist.Pinion and cone progressive type safety device (English Version)
- Standard No.
- JG 121-2000
- Language
- Chinese, Available in English version
- Release Date
- 2000
- Published By
- Professional Standard - Construction Industry
- Status
- Latest
- JG 121-2000
- Replace
- JG 5058-1995
JG 121-2000 history
- 2000 JG 121-2000 Building hoist.Pinion and cone progressive type safety device
- 1995 JG 5058-1995 Fall arrest safety device for builder's lift
JG 121-2000 Building hoist.Pinion and cone progressive type safety device has been changed from JG 5058-1995 Fall arrest safety device for builder's lift.
