DIFF Subgroup
G08B 7/06 using electric transmission
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Signalling systems according to two or more of groups > using electric transmission
CPC:
Signalling systems according to two or more of groups G08B3/00 - G08B6/00 > using electric transmission
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open