G
PHYSICS
G
PHYSICS
G01
MEASURING; TESTING
G01
MEASURING; TESTING
G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1/00
Sampling; Preparing specimens for investigation
1/00
Sampling; Preparing specimens for investigation
G01N1/02
Devices for withdrawing samples
G01N1/02
Devices for withdrawing samples
G01N1/04
in the solid state, e.g. by cutting
G01N1/04
in the solid state, e.g. by cutting
G01N1/08
involving an extracting tool, e.g. core bit
G01N1/08
involving an extracting tool, e.g. core bit