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发明名称
Wave translating device
摘要
申请公布号
US2066133(A)
申请公布日期
1936.12.29
申请号
US19330668335
申请日期
1933.04.28
申请人
ABRAHAMS ALEXANDER I
发明人
ABRAHAMS ALEXANDER I.
分类号
H04R9/08
主分类号
H04R9/08
代理机构
代理人
主权项
地址
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