Portable X-ray collimator and scatter shield
Portal image within a virtual wedge treatment
Precision beam control for an intensity modulation treatment sys
Primary radiation diaphragm
Primary radiation diaphragm for a radiation apparatus
Primary radiation diaphragm for X-ray diagnostics devices
Primary radiation diaphragm for x-ray diagnostics equipments
Primary radiation diaphragm for X-ray examination devices
Primary radiation diaphragm for x-ray tube
Primary-beam collimator for stereo radiographic x-ray diagnostic
Process for converting the beam diameter of radioactive rays and