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发明名称
FRAME GRID
摘要
申请公布号
CA616529(A)
申请公布日期
1961.03.14
申请号
CAD616529
申请日期
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
ALTON L. CROSBY;DAVID A. DANDER
分类号
主分类号
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