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发明名称
IDENTIFICATION TONE GENERATOR
摘要
申请公布号
CA875212(A)
申请公布日期
1971.07.06
申请号
CAD875212
申请日期
申请人
HOFFMAN ELECTRONICS CORPORATION
发明人
ROBERT W. KUTHE
分类号
主分类号
代理机构
代理人
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