藥芯焊絲
GFR-81B2
GFR-81B2V
GFR-81B6
GFR-81B2M
GFR-81B2VM
GFR-91B3M
GFR-81K2
GFR-81K2SR
GFR-81Ni1
GFR-81NI2
GFR-91K2
GFR-91K2SR
GFR-91NI2
GFR-81K2M
GFR-81Ni1M
GFR-81NI2M
GFR-71W1
GFR-81W2
GFR-91CNG
GFR-100K3
GFR-110K3
GFR-110K3M
GFR-110K4
GFR-120G
GFR-120GM
GFR-140GM
GFR-150G
GFR-802
