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发明名称
Improvements in or relating to modulators
摘要
申请公布号
GB786599(A)
申请公布日期
1957.11.20
申请号
GB19550037483
申请日期
1955.12.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H03C1/26;H04N5/40
主分类号
H03C1/26
代理机构
代理人
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