in connection with recordings on magnetic tape or disc

Full Title

Specified use or application for which the lubricating composition is intended > Electric or magnetic purposes > in connection with recordings on magnetic tape or disc

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT

Subclass:

INDEXING SCHEME ASSOCIATED WITH SUBCLASS