US PATENT SUBCLASS 976 / DIG 340
.~ Bricks; Shields made up therefrom [G21F-3/04]
Current as of:
June, 1999
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976 /
HD
NUCLEAR TECHNOLOGY
DIG 335
DD
SHIELDING CHARACTERIZED BY ITS PHYSICAL FORM (e.g., granules or shape of the material) [G21F-3/00]
{2}
DIG 340
.~ Bricks; Shields made up therefrom [G21F-3/04]
