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发明名称
Phonograph stylus and holder therefor
摘要
申请公布号
US2957052(A)
申请公布日期
1960.10.18
申请号
US19560616152
申请日期
1956.10.16
申请人
THE ASTATIC CORPORATION
发明人
PALO MAURICE M.
分类号
H04R1/16
主分类号
H04R1/16
代理机构
代理人
主权项
地址
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