|
JPH04236702A
|
|
Manufacture of metallic compact body using refined iron powder of converter dust
|
|
JPH04222391A
|
|
Repairing method for body applied with refractory
|
|
JPH04177089A
|
|
Method and apparatus for treating solidified slag
|
|
JPH04214809A
|
|
Method for suppressing slag foaming in molten iron pretreatment
|
|
JPH04131310A
|
|
Manufacture of high purity steel powder
|
|
JPH04131313A
|
|
Method and apparatus for desulfurization
|
|
JPH04118189A
|
|
Thermit welding method for rail
|
|
JPH0426518A
|
|
Production of iron oxide by neutralization reaction of iron chloride crystal with lime
|
|
JPH0411989A
|
|
Method for removing heavy metal from used iron chloride solution
|
|
JPH044966A
|
|
Forming core with detaching mechanism in lining constructing apparatus for molten metal ladle
|
|
JPH04164822A
|
|
Production of calcined powder for multicomponent ferrite
|
|
JPH03290325A
|
|
Production of magnetite
|
|
JPH04164823A
|
|
Production of calcined powder for ferrite
|
|
JPH03290322A
|
|
Production of multielement-based ferrite
|
|
JPH03146422A
|
|
Method and apparatus for producing high purity iron oxide powder with chromium-containing iron sulfate solution
|
|
JPH02274477A
|
|
Pipe end face protector and fitting method thereof
|
|
JPH02204196A
|
|
Adjustment of buoyancy of balloon and device therefor
|
|
JPH01278478A
|
|
Castable refractory
|
|
JPH01263215A
|
|
Slag cut ball
|
|
JPS635865A
|
|
Production of gutter
|
