US PATENT SUBCLASS 423 / DIG 24
LTA; e.g., A, Alpha, ZK-4, ZK-21, ZK-22


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

DIG 24LTA; e.g., A, Alpha, ZK-4, ZK-21, ZK-22