The twenty-five Gs400e 1978 (c) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39 Special Market (e22) (gs400c,ec,n:~f.no.71031) (gs400en:~f.n component parts are all listed in this schematic.
This Tube,inner is the most expensive of the items that make up this Special Market (e22) (gs400c,ec,n:~f.no.71031) (gs400en:~f.n assembly.
