U.S. federal trademark · Serial No. 79088765 · Reg. No. 4177493
Graphite tubes for use in atomic spectroscopy
carbon materials, in particular natural graphite, carbon for industrial purposes, carbon graphite for industrial purposes, synthetic resin-bonded graphite for industrial purposes, electrographite for industrial purposes, metal graphite for industrial purposes; graphite composite materials for use in atomic spectroscopy
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