| http://www.w3.org/ns/prov#value | - The three clamping surfaces 65b, 65c, 65d are, for example, distributed over approximately one-half the periphery of stud part 65a, and the pairs of successive clamping surfaces form angles, e.g. 120??? angles, with each other, with a narrow strip of the cylindrical periphery being preserved between successive clamping surfaces.
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