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发明名称
Einrichtung zur Beseitigung der Verzerrung der bei einer Kathodenstrahlroehre vom Kathodenstrahl beschriebenen Figur
摘要
申请公布号
DE727477(C)
申请公布日期
1942.11.04
申请号
DE1938N041901D
申请日期
1938.04.26
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
GIER DR. JOHANNES DE;KRUITHOF DR. ARIE ANDRIES;PENNING DR. FRANS MICHEL
分类号
H01J29/56
主分类号
H01J29/56
代理机构
代理人
主权项
地址
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