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经营范围
发明名称
Apparatus for scrambling or coding communication transmissions
摘要
申请公布号
GB826757(A)
申请公布日期
1960.01.20
申请号
GB19560022515
申请日期
1956.07.20
申请人
LUDWIG BOELKOW
发明人
分类号
G09C1/10;H04K1/02;H04L9/00;H04L9/38
主分类号
G09C1/10
代理机构
代理人
主权项
地址
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