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发明名称
Instrument panel speaker unit
摘要
申请公布号
US2186276(A)
申请公布日期
1940.01.09
申请号
US19370141237
申请日期
1937.05.07
申请人
GENERAL MOTORS CORPORATION
发明人
SCHWARZ BERTRAM A.;ROO WILLIAM C. DE
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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