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经营范围
发明名称
Phonograph pickup
摘要
申请公布号
US3227460(A)
申请公布日期
1966.01.04
申请号
US19620243913
申请日期
1962.12.11
申请人
JENSEN INDUSTRIES, INC.
发明人
JENSEN CLARENCE F.
分类号
H04R17/08
主分类号
H04R17/08
代理机构
代理人
主权项
地址
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