427 / | HD | COATING PROCESSES |
58 | DF | ELECTRICAL PRODUCT PRODUCED {21} |
64 | DF | .~ Fluorescent or phosphorescent base coating (e.g., cathode-ray tube, luminescent screen, etc.) {8} |
69 | DF | .~.~ Vapor deposition {1} |
70 | .~.~.~ Nonmetallic coating formed by vapor deposition |