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发明名称
GITTER, INSBESONDERE SPANNGITTER FUER ELEKTRONENROEHREN.
摘要
申请公布号
DE1800314(U)
申请公布日期
1959.11.19
申请号
DE195900P4353U
申请日期
1959.02.06
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
分类号
主分类号
代理机构
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