DIFF Subgroup
G06M 1/22 for visual indication of the result of count on counting mechanisms, e.g. by window with magnifying lens
Introduced: September 1968
Full Title
Design features of general application > for visual indication of the result of count on counting mechanisms, e.g. by window with magnifying lens
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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