CuNi 70/30, Def stan 02 780, NES780 SMLS Tube 동합금 튜브
CuNi 70/30, Def stan 02 780, NES780 SMLS Tube 동합금 튜브
STEELMAX Metal Story
CuNi 70/30 재질은
25
06, 2025
CuNi 70/30, Def stan 02 780, NES780 SMLS Tube 동합금 튜브
STEELMAX Metal Story
CuNi 70/30 재질은