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一种用于绿色混凝土施工的装置及方法

Release Time:2019-10-12  Hits:

First Author: 贾金青

Disigner of the Invention: 王美华,李璐,刘伟,封硕,龚剑

Application Number: CN201710531149.6

Authorization Date: 2017-07-03

Authorization Number: CN107269004A

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