| http://www.w3.org/ns/prov#value | - Of course, such an electronic sensor also requires a voltage supplyand the connecting lines required therefor, which are disadvantageous in contrast to the purely mechanical solution.Likewise, the device for changing the spring force of the spring element can also be formed by an electronic element, e.g. an electric servo-motor or the like, which can infinitely vary the spring force of the spring
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