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