TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
鐒婂姂鍙冭€冩垚鍒嗭紙%锛�
闋呯洰
|
SiO2+TiO2
|
Al2O3+MnO
|
CaF2
|
S
|
P
|
渚嬪€� | 25-32 | 30-40 | 25-30 | 鈮�0.060 | 鈮�0.080 |