Cycle-type vehicle attachment
Deer repellent system
Device for protecting a photovoltaic plant against rodent...
Device for the display of data representative of quantities
Digital tone generator for tone sequences
Digitally driven audio effects generator
Display unit with a removable indicator panel
Door ajar alarm for refrigeration unit
Dual-mode waveform generator
Electrical apparatus and method for electrically simulating a no
Electrical simulation of percussive bell
Electrical synthesis of mechanical bell
Electrically-energized horn
Electroacoustic calling device with universal bearing supporting
Electromagnetic warning instrument
Electronic alarm horn
Electronic buzzer
Electronic buzzer
Electronic chime
Electronic chime