Cathode ray tube

申请公布号：US2306881(A)

申请号：US19400326606

申请日期：1940.03.29

申请公布日期：1942.12.29

申请人：

WALTER HEIMANN;KURT WEMHEUER

发明人：HEIMANN WALTER;WEMHEUER KURT

分类号：H01J29/62

主分类号：H01J29/62

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