US PATENT SUBCLASS 149 / 22
CONTAINING FREE BORON OR BINARY COMPOUNDS OF BORON (EXCEPT WITH OXYGEN) OR BORANES


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149 /   HD   EXPLOSIVE AND THERMIC COMPOSITIONS OR CHARGES

22CONTAINING FREE BORON OR BINARY COMPOUNDS OF BORON (EXCEPT WITH OXYGEN) OR BORANES


DEFINITION

Classification: 149/22

(under the class definition) Compositions containing elemental boron, or a binary boron compound (excluding those with oxygen) or organic boranes.