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一种提高3D打印砂型/砂芯的高温强度的方法

Release Time:2019-03-09  Hits:

First Author: 姚山

Disigner of the Invention: 童强,姚平坤,赵枢明,张雪,王祥宇

Application Number: CN201710319726.5

Authorization Date: 2017-05-09

Authorization Number: CN106984771A

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