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发明名称
Reels or the like
摘要
申请公布号
US3089585(A)
申请公布日期
1963.05.14
申请号
US19620165398
申请日期
1962.01.10
申请人
SEFF FREDERIC A
发明人
SEFF FREDERIC A.
分类号
G03B21/32;G11B15/67
主分类号
G03B21/32
代理机构
代理人
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地址
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