Xerothermographic reproduction process and apparatus
Xerothermographic transfer process and apparatus
Xerothermography
Xhaust valve construction
Xy-t memory accessing
Xylene isomerization
Xylene oxidation
Xylene separation
Xylene-formaldehyde resins
Xylene-modified polyethylene, and process for its preparation
Xylenes separation
Xylyene diisocyanate
Xylylene acrylates and methacrylates