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North China Pharmaceutical Kangxin Co., Ltd??? ?? ??? ?????.
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North China Pharmaceutical Kangxin Co., Ltd
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0311-86677982-810
???:
chelseamu@ncpcie.com
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China
URL:
www.ncpc.com
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1
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Vitamin B12
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68-19-9
C63H88CoN14O14P
1
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