一种浅埋下穿高速公路大断面隧道的施工方法
Hits:
Release time:2018-07-04
Affilication of Author(s):中南大学土木工程学院
School Sign:中南大学
Patent Applicant:雷明锋等, 彭立敏, 施成华
Type of Patent:Invent
State of Patent:Authorized patents
Authorization number:ZL 201410305596.6
Service Invention or Not:no
-
|
|