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发明名称
Casette tape take-up indicator
摘要
A tape cassette for a tape recorder comprises a cassette housing having a pair of hubs therein, a predetermined amount of magnetic tape wound around said hubs and a display member having widening resiliency provided between said hubs.
申请公布号
US4181089(A)
申请公布日期
1980.01.01
申请号
US19780870719
申请日期
1978.01.19
申请人
OLYMPUS OPTICAL CO LTD
发明人
SATO, MASAAKI
分类号
G11B23/087;(IPC1-7):G01D13/00;G11B27/34
主分类号
G11B23/087
代理机构
代理人
主权项
地址
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