| http://www.w3.org/ns/prov#value | - The plates 62 are bolted to the rin frames and have circular openings coextensive with the openings through the annular flanges G The edges 63 of the plates are inturned except at the corners where short angle bars 64 are welded to the plates to support the long angle bars 65 that form the longitudinal supporting members of the switch housing.
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