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Browse by Category: Main > Physics |
| Class Number |
Class Name |
Patents |
| 257 |
Active solid-state devices (e.g., transistors, solid-state diodes) |
589,726 |
| 376 |
Induced nuclear reactions: processes, systems, and elements |
20,621 |
| 976 |
Nuclear technology |
8,451 |
| 505 |
Superconductor technology: apparatus, material, process |
13,133 |
| 378 |
X-ray or gamma ray systems or devices |
32,331 | |
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