A household appliance for washing and / or drying plant utilizing the circulating hot water in the central coils.
CH615346A5
Safety device for the automatic supply of air to the helmet of the driver of a racing car or of the pilot of an aircraft in the event of fire
CH614379A5
Fire protection helmet for motor racing events having devices permitting respiration
CH608306A5
Automatic device for the actuation of at least one electrical contact as soon as the temperature of a zone of the environment reaches a predetermined and adjustable value
CH570611A5
Anti-explosion oil tank level monitor - has slot through outer tube for acess to sealing sleeve around inner member
