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发明名称
Keying means for producing pulses of electrical energy of variable duration
摘要
申请公布号
GB600742(A)
申请公布日期
1948.04.16
申请号
GB19450003250
申请日期
1945.02.08
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H03K7/10
主分类号
H03K7/10
代理机构
代理人
主权项
地址
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