73212996
Apr 25, 1979
Jun 30, 1981
SAMPLING KITS FOR USE BY OTHERS TO OBTAIN WATER, SOIL AND AIR SAMPLES, CONSISTING OF ONE OR MORE OF: SAMPLE CONTAINER, PRESERVATIVES, PACKING MATERIALS, RETURN LABEL, PENCIL, RETURN MEMO, INSTRUCTIONS, SEALING TAPE, AND PARTS THEREOF
Electrical and Scientific Apparatus