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发明名称
Record changer head
摘要
申请公布号
US2651524(A)
申请公布日期
1953.09.08
申请号
US19460711450
申请日期
1946.11.21
申请人
WALTER MILLER;MORRISON JAMES L D
发明人
MILLER WALTER;MORRISON JAMES L. D.
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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