US PATENT SUBCLASS 436 / 80
.~ Cu, Ag, Au

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

73  DF  METAL OR METAL CONTAINING {9}
80.~ Cu, Ag, Au

DEFINITION

Classification: 436/80

Cu, Ag, Au:

(under subclass 73) Processes or compositions for analysis of copper, silver or gold.