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经营范围
发明名称
Generators of electrical wave forms having recurrent trace and retrace portions
摘要
申请公布号
GB639026(A)
申请公布日期
1950.06.21
申请号
GB19470030835
申请日期
1947.11.20
申请人
HAZELTINE CORPORATION
发明人
分类号
H03K4/24
主分类号
H03K4/24
代理机构
代理人
主权项
地址
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