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Nitrogen (9)CAS RN:7727-37-9
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UBE IndustriesTelephone:+81-3-54196110
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Mitsui Chemicals, Inc.Telephone:+81-3-62532100
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Nippon Steel Chemical Co.Telephone:81-3-5759-2741
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Nippon Sanso Corp.Telephone:81-3-3581-8200
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Nakajima Kagaku Sangyo Co.Telephone:81- 52 561 4595
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TANAKA AI CO., LTD.Telephone:81-942 32 6331
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JAPAN AIR GASESTelephone:
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KOATSU GAS KOGYO CO. LTD.Telephone:06-6311-1361
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Toho Acetylene Co., Ltd.Telephone:03-3274-1011