US PATENT SUBCLASS 436 / 900
BREATH TESTING

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

900BREATH TESTING

DEFINITION

Classification: 436/900

BREATH TESTING:

Art collection of chemical tests relating to breath testing.

(1) Note. Cross-reference art collections 900 - 910 are related to chemical testing.