Metal locks, in particular for machines, apparatus, building installations, and rooms; metal door, [ window, ] and opening fittings for closing, opening, and locking of machines, apparatus, building installations, and rooms; metal hinges, in particular for machines, apparatus, building installations, and rooms; and metal closures for doors, [ windows,] and openings used for machines, apparatus, building installations, and rooms

[ Signaling and checking apparatus, namely, electric sensors, measuring instruments in the nature of resistance measuring instruments, capacitance measuring instruments, and inductance measuring instruments, voltage probes, and electrical transducers; ] electronic locking and security systems, namely, locks, [ closures, ] latches, [ closers, ] in particular for heating and refrigerating apparatus, namely, [ cold storage cells, heat storage cells, ] ovens, [ heat systems, refrigeration units, heat units, electric refrigerating and heating units, ] hot air dryers, medical devices in the nature of electric heating devices for curative treatment; and electromagnetic locks for machines, equipment, and building installations, namely, [ refrigerators, cold storage cells, heat storage cells, ] ovens, [ heating and cooling plants, ] clothes and [ dish washing machines, clothes and dish washers, clothes and ] dish dryers, medical devices in the nature of electric heating devices for curative treatment [, and rooms ]