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发明名称
ADJUSTABLE ELECTRICAL IMPEDANCE DEVICES
摘要
申请公布号
CA856951(A)
申请公布日期
1970.11.24
申请号
CAD856951
申请日期
申请人
JFD ELECTRONICS CORPORATION
发明人
HUGO SEIDEN
分类号
主分类号
代理机构
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