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发明名称
Wave translating system
摘要
申请公布号
US1920238(A)
申请公布日期
1933.08.01
申请号
US19310527371
申请日期
1931.04.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BLACK HAROLD S.
分类号
H03C1/52
主分类号
H03C1/52
代理机构
代理人
主权项
地址
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