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发明名称
ADJUSTABLE INDUCTANCE UNIT
摘要
申请公布号
CA389618(A)
申请公布日期
1940.06.25
申请号
CAD389618
申请日期
申请人
HAZELTINE CORPORATION
发明人
NELSON PERRY CASE
分类号
主分类号
代理机构
代理人
主权项
地址
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