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发明名称
Radio tube insulation
摘要
申请公布号
US2440889(A)
申请公布日期
1948.05.04
申请号
US19440549539
申请日期
1944.08.15
申请人
BINNEWEG JR ABRAHAM
发明人
JR. ABRAHAM BINNEWEG,
分类号
H01J21/36
主分类号
H01J21/36
代理机构
代理人
主权项
地址
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