73821555
Aug 25, 1989
Apr 7, 1992
PAPER AND PAPER ARTICLES FOR USE IN LABORATORIES; NAMELY, LENS CLEANING TISSUES, ION EXCHANGE CHROMATOGRAPHY PAPERS, ABSORBENT PAPERS, FILTER PAPERS (MADE OF CELLULOSE, OF GLASS, OR OF QUARTZ MICROFIBERS), ASSAY PAPERS, AIR FILTRATION MEDIA, BATTERY SEPARATOR PAPERS, DIAGNOSTIC BASE PAPERS, SAMPLE CARRIER PAPERS, PROTECTIVE COATED PAPERS FOR LABORATORY SURFACES AND THE LIKE
Paper Goods and Printed Matter