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Durographic Trademarks
DUROGRAPHIC
ELONGATED STRIPS OF PHOTOGRAPHIC PAPER TO BE EXPOSED BY OPERATION OF PHOTOCOMPOSING APPARATUS, AND CHEMICALS FOR DEVELOPING AND STABILIZING SUCH STRIPS OF PAPER AFTER EXPOSURE
Expired
·
July 8, 1975
·
73057147
·
DUROGRAPHIC
CARBON PAPER AND MANIFOLDING CARBON PAPER
Expired
·
February 2, 1973
·
72447601
·
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