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发明名称
Phonograph record
摘要
申请公布号
US3039218(A)
申请公布日期
1962.06.19
申请号
US19610082604
申请日期
1961.01.13
申请人
WHITING JAMES A;ROGERS JIMMIE O
发明人
WHITING JAMES A.;ROGERS JIMMIE O.
分类号
G11B3/70
主分类号
G11B3/70
代理机构
代理人
主权项
地址
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