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发明名称
Throat microphone
摘要
申请公布号
US2385867(A)
申请公布日期
1945.10.02
申请号
US19430506310
申请日期
1943.10.15
申请人
HATTIC B. KUHLIK
发明人
KUHLIK JACOB M.
分类号
H04R1/14
主分类号
H04R1/14
代理机构
代理人
主权项
地址
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