75500419
Jun 11, 1998
Apr 16, 2002
DETECTION APPARATUS OF ELECTRIC TYPE USED FOR DETECTION OF OBJECTS IN THE FIELDS OF AUTOMATION AND INDUSTRIAL CONTROL, NAMELY, PROXIMITY SWITCHES AND DETECTORS, NAMELY, MOTION DETECTORS; PHOTOELECTRIC DETECTORS FOR MOTION DETECTION IN THE FIELDS OF AUTOMATION AND INDUSTRIAL CONTROL
Electrical and Scientific Apparatus