DIFF Subgroup
H04R 1/44 Special adaptations for subaqueous use, e.g. for hydrophone
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of transducers > Special adaptations for subaqueous use, e.g. for hydrophone
CPC:
Details of transducers, > Special adaptations for subaqueous use, e.g. for hydrophone
No child classifications to compare. This is a leaf node in both IPC and CPC.