Zhang Jianhua
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一种高炉开铁口机用钻头
Release Time:2019-01-26| Hits:
Title:一种高炉开铁口机用钻头
Institution:机械工程学院
Application Number:201020145526.6
Number of Inventors:1
Service Invention or Not:No
Application Date:2010-03-31
Release Time:2019-01-26
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