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发明名称
PORTABLE COMBINATION PUBLIC-ADDRESS SYSTEM AND LECTERN
摘要
申请公布号
US3443031(A)
申请公布日期
1969.05.06
申请号
USD3443031
申请日期
1965.11.19
申请人
LANIER ELECTRONICS LAB.
发明人
FRED C. BOLICK JR.
分类号
H04R27/04;(IPC1-7):H05K5/02
主分类号
H04R27/04
代理机构
代理人
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地址
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