특허증
(1)특허증
폼 단열재를 이용한 단열 시스템 및 이의 시공 방법
Insulation system using Foam-type insulator and method of constructing insulation system
(2)특허증
단열 시스템 및 그 시공 방법
Roof structure and construction method thereof
Insulation system using Foam-type insulator and method of constructing insulation system
Roof structure and construction method thereof