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CPC
COOPERATIVE PATENT CLASSIFICATION
G21J
NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G06G 7/54) [2018-08]
NOTE

  • This subclass covers uncontrollable fission or fusion reactions.
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
G21J 1/00
Nuclear explosive devices {"atomic bombs"} [2013-01]
G21J 3/00
Peaceful applications of nuclear explosive devices {(obtaining oil, gas, water, soluble or meltable material from deep wells by means of nuclear energy E21B 43/2635, E21B 43/2403)} [2013-01]
G21J 3/02
.
for excavation [2013-01]
G21J 5/00
Detection arrangements for nuclear explosions (individual measuring devices G01) [2013-01]