222 / | HD | DISPENSING |
23 | DF | WITH RECORDER, REGISTER, INDICATOR, SIGNAL OR EXHIBITOR {11} |
32 | ![]() | .~ With zero-setting mechanism {3} |
33 | DF | .~.~> Operating cycle including reset to zero |
34 | DF | .~.~> With means to prevent zero setting during discharge |
35 | DF | .~.~> With means to prevent discharge prior to zero setting |