DIFF Subgroup
G09F 21/18 by ships or other floating means
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Mobile visual advertising > by ships or other floating means
CPC:
Mobile visual advertising (combined visual and audible advertising G09F27/00) > by ships or other floating means
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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