SQUARE TYPE EXPANSION JOINT(사각형 익스펜션조인트) SQUARE TYPE EXPANSION JOINT (사각형 익스펜션조인트) >>신축이음관(EXPANSION JOINT) 온라인견적의뢰<< -------------------------------------------------------- 출처 : 제일산업 -------------------------------------------------------- 메탈(METAL)익스펜션조인트 2019.10.08