DIFF Main Group
H04S 1/00 Two-channel systems (H04S5/00, H04S7/00 take precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Two-channel systems
CPC: Two-channel systems (H04S5/00, H04S7/00 take precedence)
Full Title
Full titles differ between systems:
IPC:
Two-channel systems
CPC:
Two-channel systems (H04S5/00, H04S7/00 take precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open