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发明名称
Two-sided pickup and stylus therefor
摘要
申请公布号
US2631857(A)
申请公布日期
1953.03.17
申请号
US19470777284
申请日期
1947.10.01
申请人
SHURE BROTHERS, INCORPORATED
发明人
BAUER BENJAMIN B.
分类号
H04R17/06
主分类号
H04R17/06
代理机构
代理人
主权项
地址
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