DIFF Subgroup
G01D 9/38 Producing one or more recordings, each recording being produced by controlling the recording element, e.g. stylus, in accordance with one variable and controlling the recording medium, e.g. paper roll, in accordance with another variable
Introduced: September 1968
Full Title
Recording measured values > Producing one or more recordings, each recording being produced by controlling the recording element, e.g. stylus, in accordance with one variable and controlling the recording medium, e.g. paper roll, in accordance with another variable
No child classifications to compare. This is a leaf node in both IPC and CPC.