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发明名称
ELECTRICAL OSCILLATION GENERATOR AND AMPLIFIER
摘要
申请公布号
CA407676(A)
申请公布日期
1942.09.29
申请号
CAD407676
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
ERNEST GREEN
分类号
主分类号
代理机构
代理人
主权项
地址
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