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发明名称
Disk seal tube
摘要
申请公布号
US2666160(A)
申请公布日期
1954.01.12
申请号
US19460678825
申请日期
1946.06.24
申请人
SYLVANIA ELECTRIC PRODUCTS, INC.
发明人
BOWIE ROBERT M.
分类号
H03F3/54
主分类号
H03F3/54
代理机构
代理人
主权项
地址
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