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经营范围
发明名称
Titanate rectifiers
摘要
申请公布号
US2821490(A)
申请公布日期
1958.01.28
申请号
US19530341790
申请日期
1953.03.11
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
DUNEGAN HARRY C.
分类号
C04B35/465
主分类号
C04B35/465
代理机构
代理人
主权项
地址
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