Chopper bars for bringing recording element into contact with recording surface

Full Title

Component parts of recorders for measuring arrangements not specially adapted for a specific variable > Chopper bars for bringing recording element into contact with recording surface

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR

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