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Uninterruptible power systems (UPS) - General and safety requirements for UPS used in operator access areas. Original standard BS EN 50091-1-1-1997 (2004) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Specification for uninterruptible power systems (UPS) - General and safety requirements. Original standard BS EN 50091-1-1993 (2000) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Specification for uninterruptible power systems (UPS) - General and safety requirements for UPS used in restricted access locations. Original standard BS EN 50091-1-2-1999 (2000) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Specification for uninterruptible power systems (UPS) - EMC requirements. Original standard BS EN 50091-2-1996 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Customer premises cabling for Information Technology Part 1: ISDN basic access. Original standard BS EN 50098-1-1999 (2003) in PDF full version. Additional info + preview on request

Document status: Active

Roofing products from metal sheet. Specifications for fully supported roofing products of zinc sheet. Original standard BS EN 501-1994 (1999) in PDF full version. Additional info + preview on request

Document status: Active