US PATENT SUBCLASS 73 / 784
.~ Earth stresses

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}
784.~ Earth stresses

DEFINITION

Classification: 73/784

Earth stresses:

(under subclass 760) Subject matter wherein the specimen is a subterranean volume of earth.