355 / | HD | PHOTOCOPYING |
18 | DF | PROJECTION PRINTING AND COPYING CAMERAS {27} |
40 | ![]() | .~ Identifying, composing, or selecting {3} |
41 | DF | .~.~> Including photocell |
42 | DF | .~.~> Including electromagnet |
43 | DF | .~.~> Including reflector between original and photosensitive paper |