|
JPS6082294A
|
|
Production of fused flux for submerged arc welding
|
|
JPS6071890A
|
|
Inner lining and drying method of castable refractory material for upper cover of melting furnace
|
|
JPS59202199A
|
|
Production of fused flux for welding
|
|
JPS59147796A
|
|
Production of fused flux for submerged arc welding
|
|
JPS59147981A
|
|
Electric furnace for manufacturing melting type flux for welding
|
|
JPS59147982A
|
|
Electric furnace for manufacturing melting type flux for welding
|
|
JPS58125397A
|
|
Manufacture of fused flux for low hydrogen submerged arc welding
|
|
JPS58101733A
|
|
Inversion bed type heat treatment apparatus
|
|
JPS57149874A
|
|
Regeneration of carbon paste
|
|
JPS57118895A
|
|
Production of fused flux for submerged arc welding
|
|
JPS5741899A
|
|
Production of melt type flux for submerged arc welding
|
|
JPS5497507A
|
|
Disolving of solvent material for melt type arc welding
|
|
JPS5393104A
|
|
Reduction melting furnace and method
|
|
JPS5377810A
|
|
Closing of molten metal outlet of melting furnace
|
