| http://www.w3.org/ns/prov#value | - Among the more important objects are the following: (1) To provide means in which the magnetostrictive effect or other phenomena leading to expansion or deflection, is utilized in cooperation with frictional restraints to produce cumulative incremental motions in the microinch range. (2) To provide elements capable of linear expansion or deflection under external control. (3) To provide means to c
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