Showing 1 - 20 results of 57 for search '"Bi, Hongfeng"', query time: 1.36s Refine Results  

Cement analyzer

by Bi, Hongfeng
Year of Publication 16.06.2020
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Patent

In-line viscometer

by BI HONGFENG
Year of Publication 07.10.2014
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Patent

Cement analyzer

by BI HONGFENG
Year of Publication 26.07.2019
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Patent