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发明名称
Magnetostrictive device
摘要
申请公布号
US2542075(A)
申请公布日期
1951.02.20
申请号
US19480027095
申请日期
1948.05.14
申请人
GEORGE FIRTH FRANCIS
发明人
FIRTH FRANCIS GEORGE
分类号
H03H9/22
主分类号
H03H9/22
代理机构
代理人
主权项
地址
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