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发明名称
Periodic voltage generator
摘要
申请公布号
US2105902(A)
申请公布日期
1938.01.18
申请号
US19360064022
申请日期
1936.02.15
申请人
HAZELTINE CORPORATION
发明人
CAWEIN MADISON
分类号
H03K4/12
主分类号
H03K4/12
代理机构
代理人
主权项
地址
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