.~ Operating or controlling device engaged and moved by work or separate work holder {8}
51
.~.~ With means for moving work or work-holder by fluid impact thereagainst
DEFINITION
Classification: 134/51
(under subclass 44) Apparatus in which the organization is such that fluids impinging against either the work or the work holder cause the same to move.
SEE OR SEARCH THIS CLASS, SUBCLASS:
138+, for such apparatus not having work or separate work holder operated devices.