(under subclass 11.01) Subject matter wherein the device being tested is a means for providing an acceleration to a pellet for the purpose of impacting.
SEE OR SEARCH THIS CLASS, SUBCLASS:
7+, for testing by abrasion, milling, rubbing, or scuffing, per se.
37.5, for measuring dimension, size, and shape using fluid pressure.
104, for surface testing or measuring, per se.
760+, for testing for specimen stress or strain, or testing by stress or strain application.