| 194 / | HD | CHECK-ACTUATED CONTROL MECHANISMS |
| 302 | DF | INCLUDING MEANS TO TEST VALIDITY OF CHECK {4} |
| 334 | ![]() | .~ Having means to test size {4} |
| 335 | DF | .~.~> Thickness |
| 336 | DF | .~.~> By cradle sensor |
| 337 | DF | .~.~> By pivoted lever sensor |
| 338 | DF | .~.~> By fixed gauge |