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经营范围
发明名称
Transductor
摘要
申请公布号
US2603768(A)
申请公布日期
1952.07.15
申请号
US19500157103
申请日期
1950.04.20
申请人
BILL JACK SCIENTIFIC INSTRUMENT CO., INC.
发明人
TRINDLE JOE W.
分类号
H03F9/04
主分类号
H03F9/04
代理机构
代理人
主权项
地址
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