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["序号","维保公司名称","设备名称","规格型号","机身号","维保报价（元）/年","备注"]
[1,null,"4K摄像头","CH-S400-XZ-EB"]
[2,null,"图像处理装置","OTV-S400"]

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{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}