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发明名称
Loudspeaker arrangement
摘要
申请公布号
US2164977(A)
申请公布日期
1939.07.04
申请号
US19370180338
申请日期
1937.12.17
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
WIESSNER ALFRED
分类号
H03G1/02
主分类号
H03G1/02
代理机构
代理人
主权项
地址
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