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经营范围
发明名称
Improvements in or relating to signal recorders
摘要
申请公布号
GB830017(A)
申请公布日期
1960.03.09
申请号
GB19560038832
申请日期
1956.12.20
申请人
MILTON ALDEN
发明人
分类号
H04N1/16
主分类号
H04N1/16
代理机构
代理人
主权项
地址
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