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发明名称
Enclosed variable condenser
摘要
申请公布号
US2556846(A)
申请公布日期
1951.06.12
申请号
US19480065470
申请日期
1948.12.15
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
LONGACRE HENRY C. M.
分类号
主分类号
代理机构
代理人
主权项
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