用于碾压混凝土施工的斜层平推铺筑法
Release Time:2019-11-07 Hits:
First Author: 姜长全
Disigner of the Invention: 马元银,Du Zhida,杨立忱,马岚
Authorization Date: 1999-04-20
Authorization Number: ZL 99 1 05827.5
Release Time:2019-11-07 Hits:
First Author: 姜长全
Disigner of the Invention: 马元银,Du Zhida,杨立忱,马岚
Authorization Date: 1999-04-20
Authorization Number: ZL 99 1 05827.5