DIFF Subgroup
F15C 1/20 Direct-impact devices i.e., devices in which two collinear opposing power streams are impacted
Introduced: September 1968
Title
Titles differ between systems:
IPC: Direct-impact devices, i.e. devices in which two collinear opposing power streams are impacted
CPC: Direct-impact devices i.e., devices in which two collinear opposing power streams are impacted
Full Title
Full titles differ between systems:
IPC:
Circuit elements having no moving parts > Direct-impact devices, i.e. devices in which two collinear opposing power streams are impacted
CPC:
Circuit elements having no moving parts > Direct-impact devices i.e., devices in which two collinear opposing power streams are impacted
No child classifications to compare. This is a leaf node in both IPC and CPC.