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发明名称
Record storing and ejecting mechanism for phonographs
摘要
申请公布号
US2652257(A)
申请公布日期
1953.09.15
申请号
US19490121973
申请日期
1949.10.18
申请人
ZENITH RADIO CORPORATION
发明人
MULLANEY RALPH A.
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
主权项
地址
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