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发明名称
MECHANICAL MODULATORS
摘要
申请公布号
CA473120(A)
申请公布日期
1951.04.24
申请号
CAD473120
申请日期
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
MORTON FUCHS
分类号
主分类号
代理机构
代理人
主权项
地址
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