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发明名称
NON-RECIPROCAL TRANSDUCER
摘要
申请公布号
CA857477(A)
申请公布日期
1970.12.01
申请号
CAD857477
申请日期
申请人
SPERRY RAND CORPORATION
发明人
BOBBY J. DUNCAN
分类号
主分类号
代理机构
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