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Goods and Services: Downhole drilling machine parts, namely, drill bits, reaming shells, locking couplings, adapt...
DEAD (Circa: 2008)

TUFF

Goods and Services: downhole drilling machine parts, namely, drill bits, reaming shells, locking couplings, adapt...
DEAD (Circa: 1994)

TUFF LINE

Goods and Services: earth, mineral, oil, and thermal drilling equipment and supplies; namely, diamond coring bits...
DEAD (Circa: 1990)

JKS BOYLES