DIFF Subgroup
G11B 5/455 Arrangements for functional testing of heads; Measuring arrangements for heads
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Arrangements for functional testing of heads; Measuring arrangements for heads
CPC:
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Arrangements for functional testing of heads; Measuring arrangements for heads
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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