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经营范围
发明名称
Vibrator circuit
摘要
申请公布号
US2459866(A)
申请公布日期
1949.01.25
申请号
US19430511782
申请日期
1943.11.26
申请人
ELECTRIC LABORATORIES, INC.
发明人
BROWN HAROLD J.;MAS JOSEPH A.
分类号
主分类号
代理机构
代理人
主权项
地址
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