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PCE
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DIFF Subgroup
G11B 23/037

Single reels or spools

Introduced: January 1985

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 > Containers; Storing means > Single reels or spools

No child classifications to compare. This is a leaf node in both IPC and CPC.