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经营范围
发明名称
Magnetostrictive vibrator
摘要
申请公布号
US1882399(A)
申请公布日期
1932.10.11
申请号
US19300451051
申请日期
1930.05.09
申请人
WASHINGTON PIERCE GEORGE
发明人
PIERCE GEORGE WASHINGTON
分类号
H03B5/40
主分类号
H03B5/40
代理机构
代理人
主权项
地址
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