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发明名称
EINRICHTUNG ZUR SICHERUNG VON BILDWANDLERROEHREN GEGEN DIE EINWIRKUNG VON TAGES- UND FREMDLICHT.
摘要
申请公布号
DE1779088(U)
申请公布日期
1958.12.11
申请号
DE195800P3755U
申请日期
1958.09.25
申请人
PHYSIKALISCH-TECHNISCHE WERKSTAETTEN PROF. DR.-ING. WALTER HEIMANN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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