The oxide-coated cathode; manufacture.
Herrmann, G.Wagener, S.
The oxide-coated cathode; manufacture. - Chapman & - v.2, illus., 21cm., - - .
1
621.3.032.216 Her-2(
The oxide-coated cathode; manufacture. - Chapman & - v.2, illus., 21cm., - - .
1
621.3.032.216 Her-2(