US PATENT SUBCLASS 73 / 857
.~.~ With hydraulic or pneumatic actuation of grip

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

760  DF  SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION {12}
856  DF  .~ Specimen clamp, holder, or support {4}
857.~.~ With hydraulic or pneumatic actuation of grip

DEFINITION

Classification: 73/857

With hydraulic or pneumatic actuation of grip:

(under subclass 856) Subject matter wherein the specimen support is operated by a fluid pressure system.