US PATENT SUBCLASS 312 / 29
.~ With trackway

Current as of: June, 1999
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312 /   HD   SUPPORTS: CABINET STRUCTURE

21  DF  DISAPPEARING-INSTRUMENT TYPE {4}
29.~ With trackway

DEFINITION

Classification: 312/29

(under subclass 21) Subject matter in which the special supporting means is a trackway or guideway.