姚占勇
Professor
Gender:Male
Patents
一种用于路面裂缝修补的速凝抗裂冷灌缝材料及其制备方法
Hits: Release time:2024-10-01
Affilication of Author(s):齐鲁交通学院
Type of Patent:发明
Application Number:201910764570.0
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-08-19
Publication Date:2020-08-04
Authorization Date:2020-08-04
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