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发明名称
Loud-speaker
摘要
申请公布号
US2290968(A)
申请公布日期
1942.07.28
申请号
US19400355621
申请日期
1940.09.06
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
IGLUCK LEOPOLD
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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