DIFF Subgroup
G01N 1/24 Suction devices
Introduced: September 1968
Full Title
Sampling; Preparing specimens for investigation > Devices for withdrawing samples > in the gaseous state > Suction devices
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.
Child Classifications
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