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经营范围
发明名称
FREQUENCY DIVIDER CIRCUIT
摘要
申请公布号
US3691402(A)
申请公布日期
1972.09.12
申请号
USD3691402
申请日期
1971.04.29
申请人
SHELL OIL CO.
发明人
ALTON O. CHRISTENSEN
分类号
H03K3/356;(IPC1-7):H03K21/00;H03K23/08
主分类号
H03K3/356
代理机构
代理人
主权项
地址
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