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发明名称
Dielectric material
摘要
申请公布号
US2641552(A)
申请公布日期
1953.06.09
申请号
US19500159365
申请日期
1950.05.01
申请人
SPRAGUE ELECTRIC COMPANY
发明人
LIES WILLIAM J.
分类号
C04B35/46;C04B35/49
主分类号
C04B35/46
代理机构
代理人
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地址
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