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tantalum (7)CAS RN:7440-25-7
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Alfa Aesar GmbH & Co KGTelephone:00-800-4566-4566
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Euriso-topTelephone:33-1-69-41-95-96
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Arris International CorporationTelephone:(248) 851-0004
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STB Isotope GmbHTelephone:+49 (0)172-543-71-72
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Wogen ResourcesTelephone:+44 20 7222 2171
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A.D. MackayTelephone:(203) 655-7401
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Chemical and Technical Developments LtdTelephone:44(0)1980 556500