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发明名称
Microphone assembly
摘要
申请公布号
US2437088(A)
申请公布日期
1948.03.02
申请号
US19450621062
申请日期
1945.10.08
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
GIANNINI GABRIEL M.
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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