72231065
Oct 22, 1965
Jan 31, 1967
DENOYER-GEPPERT COMPANY
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TRANSPARENCIES, TRANSPARENCY VIEWING APPARATUS, AND AN EDUCATIONAL TRANSPARENCY VISUAL TEACHING AID-NAMELY, TRANSPARENCIES, LESSON BOOKS, AND VIEWING APPARATUS, SOLD AS A UNIT
BOUND LESSON BOOKS, TEACHERS' GUIDES, AND PRINTED TRANSPARENCIES