ziweiDAV

Doctor

With Certificate of Graduation for Doctorate Study

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Date of Birth:1986-09-15
Business Address:中国矿业大学资源与地球科学学院地质工程系
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Home > Scientific Research > Patents

一种钻孔分段后退式注浆的方法

Release time:2022-04-01 Hits:

Service Invention or Not:no