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发明名称
Multi-input mixer for null sensing devices
摘要
申请公布号
US3396381(A)
申请公布日期
1968.08.06
申请号
US19640402444
申请日期
1964.10.08
申请人
HAZELTINE RESEARCH, INC.
发明人
AITKEN ROBERT K.
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
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地址
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