| http://www.w3.org/ns/prov#value | - gral comb which holds the free ends of said spring contacts in such a manner as to electrically separate them from one another, said comb bridging between a pair of downward extensions from the side walls of inner frame, said inner frame being assembled to the contact block with its bottom seated on said horizontal support and secured thereto with latches on the downward extensions engaged with un
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