US PATENT SUBCLASS 976 / DIG 334
.~.~ Comprising metals [G21F-1/12B]

Current as of: June, 1999
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976 /   HD   NUCLEAR TECHNOLOGY

DIG 319  DD  SHIELDING CHARACTERIZED BY THE COMPOSITION OF THE MATERIALS [G21F-1/00] {2}
DIG 333  DD  .~ Laminated shielding materials [G21F-1/12] {1}
DIG 334.~.~ Comprising metals [G21F-1/12B]