72256524
Oct 17, 1966
Jan 30, 1968
KITS FOR THE PRODUCTION OF TRANSPARENCIES, COMPRISING MARKING DEVICES AS PENCILS, LEADS, PENS, FELT NIB MARKERS, PEN POINTS, INK, PEN HOLDERS, AND LETTERING GUIDES; ACETATE AND CELLOPHANE TRANSPARENCIES, MOUNTS FOR TRANSPARENCIES; AND SHEET HINGES
Building Construction and Repair