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发明名称
Translating device
摘要
申请公布号
US1794957(A)
申请公布日期
1931.03.03
申请号
US19270227409
申请日期
1927.10.20
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
HIGH JURJEN S.
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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