X-ray electrophotographic recording material and method of manuf
X-ray film with hydrophillic layer containing developing and fix
X-spring volume compensation for automotive carbon canister
Xenon external recycling unit for recovery, purification and...
Xerographic binder plate
Xerographic developer
Xerographic imaging member having hexagonal selenium in inter-lo
Xerographic method for making a responsive answer system
Xerographic plate having an phthalocyanine pigment interface bar
Xeroprinting master and process