Online Standards Store
Information protection. Formal access control model. Part 4. Recommendations for verification of information security features that implement access control policies based on formal descriptions of the access control model
Document status: Active
Power supply systems for traction and non-traction railway consumers. Protection of traction and non-traction power supply devices from lightning and switching overvoltages. Installation locations and parameters of protection devices against atmospheric and switching overvoltages
Document status: Active
Movable retainer rings for wax-pattern dies with max 190 mm cylinder matrices. Design and dimensions
Document status: Active
