Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus-Apparatus having less than maximum allowable impairments
Document status: Active
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators-Specification for apparatus with call barring facilities
Document status: Active
Specification for filters for use during welding and similar industrial operations
Document status: Active
Specification for filters, cover lenses and backing lenses for use during welding and similar operations
Document status: Active
Specification for agricultural trailer and trailed machinery drawbar jacks
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Specification for performance requirements for lamps for road vehicles
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Specification for installation of gas-fired hot water boilers of rated input not exceeding 60 kW
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Specification for installation and maintenance of gas-fired boilers of rated input not exceeding 70 kW net
Document status: Active
