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发明名称
Permeability tuner
摘要
申请公布号
US2586870(A)
申请公布日期
1952.02.26
申请号
US19500199902
申请日期
1950.12.08
申请人
GUSTAVE SHAPIRO;STONE ROBERT O
发明人
SHAPIRO GUSTAVE;STONE ROBERT O.
分类号
H01F21/06
主分类号
H01F21/06
代理机构
代理人
主权项
地址
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