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 |