THREAD, SILK (SUPERSEDING A-A-50196) (S/S BY A-A-50196B)
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THREAD, LINEN (SUPERSEDING V-T-291E) (S/S BY A-A-50197A)
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THREAD, GIMP, COTTON, BUTTONHOLE (SUPERSEDING V-T-280C) (S/S BY A-A-50198A)
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THREAD, GIMP, COTTON, BUTTONHOLE (SUPERSEDING A-A-50198)
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THREAD, POLYESTER CORE, COTTON- OR POLYESTER-COVERED(S/S BY A-A-50199A)
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