Specifies requirements for design, performance, materials, testing, installation, inspection, and
maintenance of top drive systems for onshore and offshore applications.
PROJECT
ISO/FDIS 18991
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Sep 8, 2026
To view the full content, you need to register or to log in to your account by clicking on the "Log in" button