DIFF Subgroup
H01C 8/02 Coherers or like imperfect resistors for detecting electromagnetic waves
Introduced: July 1974
Full Title
Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material > Coherers or like imperfect resistors for detecting electromagnetic waves
No child classifications to compare. This is a leaf node in both IPC and CPC.