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经营范围
发明名称
Scrambling switch
摘要
申请公布号
US2629475(A)
申请公布日期
1953.02.24
申请号
US19490117031
申请日期
1949.09.21
申请人
RAYMOND T. MOLONEY
发明人
HOOKER DONALD E.
分类号
G09C1/12
主分类号
G09C1/12
代理机构
代理人
主权项
地址
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