发明名称 IMPROVED PERIPHERAL RIM FOR DISC RECORDS
摘要 A protective strip (2) for a record, the strip being of "U" shaped configuration with limbs (9) extending from the base portion, the limbs being shaped so that the lead in groove (4) of the recording is not unduly restricted by the edge of the limbs.
申请公布号 WO8300252(A1) 申请公布日期 1983.01.20
申请号 WO1982AU00111 申请日期 1982.07.09
申请人 PETTIT, GARTH, DERWOOD 发明人 PETTIT, GARTH, DERWOOD
分类号 G11B3/68;(IPC1-7):11B25/04;11B23/00 主分类号 G11B3/68
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