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发明名称
HELICAL SCAN MAGNETIC RECORDER HAVING A CRITICAL ANGLE FOR THE TAPE AT THE ENTRANCE AND EXIT GUIDES IN THE HEAD DRUM
摘要
申请公布号
US3691315(A)
申请公布日期
1972.09.12
申请号
USD3691315
申请日期
1970.08.24
申请人
AMPEX CORP.
发明人
WILLIAM A. ELLMORE
分类号
G11B5/52;G11B15/61;G11B15/67;(IPC1-7):G11B5/52;G03B1/58;G11B15/66
主分类号
G11B5/52
代理机构
代理人
主权项
地址
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