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发明名称
Web tension control
摘要
申请公布号
US3045937(A)
申请公布日期
1962.07.24
申请号
US19600074167
申请日期
1960.12.06
申请人
AMPEX CORPORATION
发明人
JOHNSON KEITH O.
分类号
G11B15/43
主分类号
G11B15/43
代理机构
代理人
主权项
地址
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