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germanium (31)CAS RN:14687-40-2
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PPM Pure Metals GmbHTelephone:49-5326-507167
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KORTH KRISTALLE GMBHTelephone:49-0-43136905-0
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Chemical and Technical Developments LtdTelephone:44(0)1980 556500
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Crystran LtdTelephone:+44 (0) 1202 307650
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GFI Advanced Technologies, IncTelephone:1-201-8338530
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Lebow Co.,Telephone:805-964-7117
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Merchant Research & Consulting, Ltd.Telephone:+44 (20) 7558-8740
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Powmet, IncTelephone:+1-(815)-398-6900
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Stanford MaterialsTelephone:(949) 380-7362
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American ElementsTelephone:1-(310)-208-0551