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摘要
申请公布号
US2994537(A)
申请公布日期
1961.08.01
申请号
US19560628390
申请日期
1956.12.14
申请人
WARWICK MANUFACTURING CORPORATION
发明人
KRAHULEC FRED;SIUDA MICHAEL R.
分类号
G11B17/02
主分类号
G11B17/02
代理机构
代理人
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