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经营范围
发明名称
Analog signal multiplier using carrier insertion
摘要
申请公布号
US3202808(A)
申请公布日期
1965.08.24
申请号
US19620166034
申请日期
1962.01.15
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
MEIXELL OLIVER S.
分类号
G06G7/16;G06G7/163
主分类号
G06G7/16
代理机构
代理人
主权项
地址
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