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经营范围
发明名称
Stereophonic photoelectric transducer
摘要
申请公布号
US3261925(A)
申请公布日期
1966.07.19
申请号
US19600060850
申请日期
1960.10.06
申请人
A. BERNARD SMITH LABORATORIES, INC.
发明人
SMITH ALBERT B.
分类号
H04R23/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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