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PARTE POSTERIOR DA CAIXA: "CECO" / "MICROTITER®" / "COOKE ENGINEERING CO." / "MEDICAL RESEARCH DIVISION" / "900 SLATERS LANE" / "PHONA 703-548-3889" / "ALEXANDRIA, VIRGINIA" / "ZIP - 22314" / "THE PRECISION MICRODILUTORS CONTAINED IN THE PACKAGE ARE COVERED" / "BY ONE OR MORE OF THE FOLLOWING U. S. PATENTS 3,252,331, 3,349,937." / ".025ml MICRODILUTER® MFG. NO. 220 – 33"
PARTE INTERNA DA CAIXA: "PREPARATION OF MICRODILUTER FOR USE" / "1. FLAME TO INCANDESCENCE (DULL RED)." /" 2. COOL AND PRE-WET IN APPROXIMATELY 1"/"8' OF DISTILLED WATER. DO NOT ALLOW WETTING ABOVE THE DILUTER HEAD SLOTS." / "3. BLOT ON GO-NO-GO BLOTTER TO CHECK DELIVERY AS WELL AS DRAIN THE LIQUID." / "4. DILUTER IS NOW READY FOR USE." / "NOTE:" / "1. DILUTER SHOULD BE RINSED IN DISTILLED WATER AFTER EACH USE AND LIQUID SHOULD BE EXPELLED ON BLOTTER BEFORE STORAGE." / "2. NEVER FLAME DILUTER WITHOUT PURGING IN DISTILLED WATER AS THIS MAY CAUSE BUILD UP AND AFFECT PICK UP AND DELIVERY ACCURACY." / "D.G." (escrito a lápis)