Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 21. Particular requirements for boxes and enclosures with provision for suspension means
System of standards for technological arrangement. Attachment for metal-cutting machine tools. Mandrels with split collets for precision machining. Basic parameters and dimensions
Wheelchair containment and occupant retention systems for accessible transport vehicles designed for use by both sitting and standing passengers. Part 1. Systems for rearward-facing wheelchair seated passengers