DIFF Subgroup
G11B 23/32 Electrical or mechanical contacting means; Tape stop foils
Introduced: September 1968
Full Title
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > with provision for auxiliary signals > Electrical or mechanical contacting means; Tape stop foils
No child classifications to compare. This is a leaf node in both IPC and CPC.