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| 秘密投标; 暗标; 密封投标 | |||
| 密封递价拍卖 | |||
| 投标式拍卖; 暗标竞投 | |||
| 寄密封信式拍卖 | |||
| 秘密出价投标; 限员投标; 有限投标; 不公开招标; 暗标兑投 | |||
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