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经营范围
发明名称
Electrical instrument in which string serves as its own transducer
摘要
申请公布号
US3297813(A)
申请公布日期
1967.01.10
申请号
US19620244376
申请日期
1962.12.13
申请人
COOKERLY JACK C;HALL GEORGE R
发明人
COOKERLY JACK C.;HALL GEORGE R.
分类号
G10H3/18
主分类号
G10H3/18
代理机构
代理人
主权项
地址
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