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发明名称
Earphone socket
摘要
申请公布号
US2408494(A)
申请公布日期
1946.10.01
申请号
US19450598168
申请日期
1945.06.07
申请人
VENEKLASEN PAUL S
发明人
VENEKLASEN PAUL S.
分类号
H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
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