| http://www.w3.org/ns/prov#value | - ns, said slide means having its bottom open and including side, front and rear frame parts for surrounding the periphery of a tape cassette and for moving the same endwise rectilinearly inwardly and outwardly with said slide means with at least a major portion of one broad side of the cassette resting and sliding on said casing bottom wall, said casing and slide means cooperatively defining, in sa
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