{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900"}

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["参 会 回 执"]
["公司名称   （开发票用）","姓名","性别","职务","联系电话","住房要求                   （请用数字“1”表示选中）",null,null,"入住日期","退房日期"]
[{"$nulls":5},"大床房","标准间  （单住）","标准间（合住）"]

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