MICROFORM
DENTURE BASE MATERIAL, BASE PLATE MATERIAL, IMPRESSION TRAY MATERIAL, AND MOUTH GUARD MATERIAL IN GRANULAR FORM AND IN THE FORM OF BLANKS AND SLABS, EQUIPMENT OF THE PRESS TYPE FOR PROCESSING THESE RELATED MATERIALS, AND THE RESULTING DENTURES AND DENTURE PARTS
Expired · November 12, 1963 · 72180887 ·