976 / | HD | NUCLEAR TECHNOLOGY |
DIG 306 | ARRANGEMENTS OF REACTOR AND ENGINE IN WHICH REACTOR-PRODUCED HEAT IS CONVERTED INTO MECHANICAL ENERGY [G21D-5/00] {2} | |
DIG 307 | DD | .~> Reactor and engine structurally combined (e.g., portable) [G21D-5/02] |
DIG 308 | DD | .~> Reactor and engine not structurally combined [G21D-5/04] {2} |