| http://www.w3.org/ns/prov#value | - Patent US4446733 - Stress control in solid materials - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA method of and apparatus for inducing stresses in solid materials in such a manner as to find application to stress relieving and fatigue testing procedures, and a procedure of non-destructively testing structural elements after they are
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