Improvements in or relating to gas-filled electric discharge devices particularly for use in relaxation oscillation generators suitable for use in electrical musical instruments, television sets and for other purposes
摘要
申请公布号
GB427830(A)
申请公布日期
1935.05.01
申请号
GB19330036505
申请日期
1933.12.28
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
