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Helium (57)CAS RN:71086-78-7;7440-59-7
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Societa Italiana Acetilene & Derivati S.p.A.Telephone:39-035-328111
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Messer France S.ATelephone:01-40803300
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Hoek Loos B.V.Telephone:010-2461616
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Messer Group GmbHTelephone:49-6196-7760-0
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Vadilal Industries LimitedTelephone: 0091-79-26564019 - 24
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Praxair Polska Sp. z.o.o.Telephone:48-22-679-7659
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Vadilal Chemicals Ltd.Telephone:(079)26466310
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BOC(The BOC Group)Telephone:800-262-4273
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BOC EdwardsTelephone:800-848-9800
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National Oxygen Pte Ltd.Telephone:(65) 6265 9355