Zhang Jianhua
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Patents
一种树脂矿物复合材料试模
2019-04-15 Hits:
Affilication of Author(s):机械工程学院
Patent Applicant:Zhang Jianhua
Type of Patent:实用新型
Application Number:201821161186.9
Number of Inventors:1
Service Invention or Not:no
Application Date:2018-07-20
Publication Date:2019-01-01
Authorization Date:2019-01-01
Publication Date:2019-01-01
Application Date:2018-07-20
Authorization Date:2019-01-01
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