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经营范围
发明名称
Magnetostrictive transducer
摘要
申请公布号
US2715191(A)
申请公布日期
1955.08.09
申请号
US19530386862
申请日期
1953.10.19
申请人
AMERICAN DISTRICT TELEGRAPH COMPANY
发明人
MACDONALD LESLIE A.;KELLY LAWRENCE H.
分类号
G08B13/16
主分类号
G08B13/16
代理机构
代理人
主权项
地址
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