72175036
Aug 14, 1963
Dec 8, 1964
HIGH PRESSURE PACKINGS IN [ PLATES ] * SHEETS * , RINGS, AND [ FROM ] * FORM * PIECES, CONSISTING OF ASBESTOS, [ LIGAMENTS ] * BINDERS * , OR METAL OR COMPOUNDS OF THESE [ THREE ] MATERIALS, FOR SEALING OF STEAM, LIQUID, AND GASES
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