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PCE
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DIFF Subgroup
G11B 3/60

Turntables for record carriers

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor > Turntables for record carriers

CPC:

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B11/00, take precedence) > Turntables for record carriers

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • G11B 3/61 Damping of vibrations of record carriers on turntables since 1985 IPC+CPC Available in IPC and CPC