IPC 6 English version  Class G21
SECTION G– PHYSICS

NUCLEONICS

G 21

NUCLEAR PHYSICS; NUCLEAR ENGINEERING

G 21 B

FUSION REACTORS (uncontrolled reactors G 21 J)

G 21 C

NUCLEAR REACTORS (analogue computers therefor G 06 G 7/54; fusion reactors G 21 B; nuclear explosives G 21 J)

G 21 D

NUCLEAR POWER PLANT (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G 06 G 7/54)

G 21 F

PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION, OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A 61 K 7/40; in cosmonautic vehicles B 64 G; combined with a reactor G 21 C 11/00; combined with X-ray tubes H 01 J 35/16; combined with X-ray apparatus H 05 G 1/02)

G 21 G

CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES (applications of radiation in general G 21 H 5/00; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for G 21 K) [2]

G 21 H

OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION (measurement of nuclear or X-radiation G 01 T; fusion reactors G 21 B; nuclear reactors G 21 C; semiconductor devices sensitive to electromagnetic or corpuscular radiation H 01 L 31/00)

G 21 J

NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G 06 G 7/54)

G 21 K

TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA- OR X-RAY MICROSCOPES (X-ray technique H 05 G; plasma technique H 05 H) [2]

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