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经营范围
发明名称
SQUARE WAVE GENERATOR
摘要
申请公布号
US3586885(A)
申请公布日期
1971.06.22
申请号
USD3586885
申请日期
1969.03.20
申请人
HEWLETT-PACKARD CO.
发明人
ROBERT L. DUDLEY
分类号
H03K5/08;(IPC1-7):H03K5/04
主分类号
H03K5/08
代理机构
代理人
主权项
地址
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