|  | G |
SECTION G — PHYSICS

NUCLEONICS

|  | G21 |
NUCLEAR PHYSICS; NUCLEAR ENGINEERING

|  | G21J |
NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF (electric or magnetic analogue computers, e.g. simulators, for nuclear physics Fulltext... Hierarchy... Expanded...G06G 7/54)

|  | G21J |
Note(s) This sub-class deals with uncontrolled fission or fusion reactions.

|  | G21J 1/00 |
Nuclear explosive devices

|  | G21J 3/00 |
Peaceful applications of nuclear explosive devices

|  | G21J 3/02 |
· | for excavation

|  | G21J 5/00 |
Detection arrangements for nuclear explosions (individual measuring devices Fulltext... Hierarchy... Expanded...G01)