Processing arrangement for photosensitive articles including a h
Processing solution circulating device for film processor
Processing solution supplementing apparatus and method
Programmable fluidic pressure-to-electronic interface system
Proportional micromechanical valve
Proportional micromechanical valve
Prosthetic closure devices to replace the valves in human hearts
Prosthetic closure element for the replacement of the mitral and
Prosthetic heart valve
Prosthetic heart valve
Prosthetic heart valve
Prosthetic heart valve separately formed cage
Prosthetic one-way heart valve
Prosthetic one-way heart valve
Prosthetic valve
Prosthetic valve assembly for use in cardiovascular surgery
Prosthetic valve means for cardiovascular surgery
Protection method
Protection of steam piping in a nuclear reactor
Protective arrangements for cooling systems