Network-compatible weighing, measuring and checking or supervision apparatus and instruments for monitoring and controlling safety cabinets for storing hazardous substances, namely, weighing apparatus and instruments, electronic exhaust air monitoring modules with alarm signalling for monitoring gaseous flammable and hazardous substances, electronic metering modules for precise filling of containers with flammable and hazardous substances, electronic level indicator modules for warning labora...

Fire safety and gas protection apparatus and devices, namely, stationary, portable and traveling fire-proof containers of common metals for storing gaseous, liquid or solid hazardous chemicals with pouring and tapping devices, namely, spouts and spigots sold as a unit; safety cabinets made primarily of metal for pressurized gas cylinders containing hazardous chemicals; safety [ frames for cabinets, and mounts of common metals for inflammable containers, for conduits and for tools; safety flus...