| IPC 7 English version |
| G21J-G21J00500 |
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| SECTION G – PHYSICS |
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| G 21 | NUCLEAR PHYSICS; NUCLEAR ENGINEERING |
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| G 21 J | NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G06G 7/54) |
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| Note |
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| This subclass covers uncontrollable fission or fusion reactions. |
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1/ | 00 | Nuclear explosive devices |
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3/ | 00 | Peaceful applications of nuclear explosive devices |
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3/ | 02 | . | for excavation |
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5/ | 00 | Detection arrangements for nuclear explosions (individual measuring devices G01) |
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