| 摘要 |
A rectangular holder (1), which has two main walls (2, 3) and three side walls (4, 5, 6) and is open at a fourth side (7), comprises a clamping member (11) of an abrasion-proof elastic plastics, for clamping a cassette in the holder (1), which clamping member comprises an elastically deformable plate portion (12) which carries a clamping projection (13) and is retained by a retaining portion (15) connected to the holder (1).
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