Photocell control device for a photographic film processor
Photofluidic interface
Photographic processing apparatus
Piping apparatus for a floating or semi-submersible platform
Pivoting disc heart valve
Pneumatic actuator
Pneumatic autoschedule cabin pressure controller
Portable water scoop
Prefabricated vehicle maintenance apparatus
Pressure control system
Pressure stabilizing assembly
Process and arrangement for producing a strong turbulence in at
Process for introducing particulate material into a container
Processing arrangement for photosensitive articles including a h
Processing solution circulating device for film processor
Processing solution supplementing apparatus and method
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