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经营范围
发明名称
WAVE AMPLITUDE SENSING APPARATUS
摘要
申请公布号
US3441860(A)
申请公布日期
1969.04.29
申请号
USD3441860
申请日期
1966.02.18
申请人
SIGNATECTION INC.
发明人
KENTON J. IDE;JOHN F. FRAZER
分类号
G10L21/06;(IPC1-7):H03K5/20;H03K3/02
主分类号
G10L21/06
代理机构
代理人
主权项
地址
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