SUPER IV
GARMENTS FOR CLEAN-ROOM USAGE, BEING RESISTANT TO DUST, LINT, AND LIKE ATMOSPHERIC IMPURITIES, INCLUDING JACKETS, SHIRTS, PANTS, SMOCKS, FROCKS, DRESSES, SKIRTS, PROTECTIVE SUIT COVERINGS, HEADWEAR OF ALL TYPES, CAPS, GOWNS, GLOVES, SOCKS, STOCKINGS AND LEG COVERINGS
Expired · March 9, 1962 · 72139458 ·