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发明名称
Method of and system for reducing static
摘要
申请公布号
US2212540(A)
申请公布日期
1940.08.27
申请号
US19380202899
申请日期
1938.04.19
申请人
HAFFCKE PHILIP M
发明人
HAFFCKE PHILIP M.
分类号
H03G11/00
主分类号
H03G11/00
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