Control system for influencing traffic has receiver coupled to public traffic controller with control process capable of being influenced by data received from transmitter associated with handicapped person
DD200519A1
Security head iron
DE2742073A1
Covered swimming pool heating equipment - has components accommodated in frame heating both air and water
DE2653876A1
Heater for indoor swimming pool and hall - uses hot air generator providing air utilised also for heating water used only for short periods
DE2626704A1
Self adhesive postage stamps - are produced with self adhesive backing with easily removed protective foil lifted from uncoated region
DE2623834A1
Thread to open envelope by tearing - is glued into envelope flap crease leaving short protruding end
DE2616226A1
Bandage roller for even binding - has 3 rows of teeth evenly gripping gauze material even when inserted roll is nearly paid out
DE2506739A1
Intermediate cable switch capsule - has contact mechanism with two screws for cable ends and narrow iron core
