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发明名称
Contractile reel hub
摘要
申请公布号
US3272452(A)
申请公布日期
1966.09.13
申请号
US19630322605
申请日期
1963.11.12
申请人
POTTER INSTRUMENT COMPANY, INC.
发明人
COHEN GERALD D.
分类号
G11B15/66
主分类号
G11B15/66
代理机构
代理人
主权项
地址
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