| http://www.w3.org/ns/prov#value | - Application for reissue October 23, 1987, Serial No. 170,629 - This invention relates to a novel form of utility plate comprising a substantially rigid base form which by reason of the novel characteristics herelnatter set forth may be and preferably is made g of relatively cheap material and which is adapted to emciently retain a cover element of thin flexible material such as paper forming the e
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