| http://www.w3.org/ns/prov#value | - In particular different combinations of divided and undivided resistive sheets and resistive members can be used, the switches shown will normally be transistors or other solid state devices or logic circuits instead of mechanical switches and comparators of FIGS. 2, 3, 5 and 6 may be replaced by integrated circuits comprising one or more comparator elements each of which employs several transisto
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