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发明名称
RECORDING METHOD FOR USE WITH FREQUENCY RESPONSIVE DEVICE
摘要
申请公布号
CA778877(A)
申请公布日期
1968.02.20
申请号
CAD778877
申请日期
申请人
SPERRY RAND CORPORATION
发明人
ROBERT D. HAWKINS
分类号
主分类号
代理机构
代理人
主权项
地址
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