G21J

NUCLEAR EXPLOSIVES

APPLICATIONS THEREOF electric or magnetic analogue computers, e.g. simulators, for nuclear physics G06G7/54

This subclass covers uncontrollable fission or fusion reactions.

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.

G21J1/00

Nuclear explosive devices

"atomic bombs"

G21J3/00

Peaceful applications of nuclear explosive devices

obtaining oil, gas, water, soluble or meltable material from deep wells by means of nuclear energy E21B43/2635, E21B43/2403

G21J3/02

for excavation

G21J5/00

Detection arrangements for nuclear explosions individual measuring devices G01