DIFF Subgroup
H04B 3/50 Systems for transmission between fixed stations via two-conductor transmission lines (H04B3/54 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Systems for transmission between fixed stations two-conductor transmission lines
CPC: Systems for transmission between fixed stations via two-conductor transmission lines (H04B3/54 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Line transmission systems > Systems for transmission between fixed stations two-conductor transmission lines
CPC:
Line transmission systems (combined with near-field transmission systems H04B5/00) > Systems for transmission between fixed stations via two-conductor transmission lines (H04B3/54 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.