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发明名称
Phonograph
摘要
申请公布号
US2594246(A)
申请公布日期
1952.04.22
申请号
US19490088213
申请日期
1949.04.18
申请人
OAK MFG. CO.
发明人
CATE ARTHUR C. TEN
分类号
G11B17/14;G11B17/16
主分类号
G11B17/14
代理机构
代理人
主权项
地址
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