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Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.
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C0:27:B9
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OUI prefix
C0:27:B9
Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.
· Building No.18, Huayuan YiLi,Fengtai District, Beijing CN 100073
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Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.
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