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经营范围
发明名称
Elastic element structure for the reel retention ratchet gear in magnetic tape cassettes
摘要
申请公布号
US4974108(A)
申请公布日期
1990.11.27
申请号
US19880174049
申请日期
1988.03.28
申请人
A.T.B. S.P.A.
发明人
BORDIGNON, ABRAMO
分类号
G11B23/04;G11B23/087
主分类号
G11B23/04
代理机构
代理人
主权项
地址
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