|
JPH1089665A
|
|
Preventing method of production and removing method of dioxin in electric furnace, and systems of preventing production of and removing dioxin
|
|
JPH0989470A
|
|
Method for preheating raw material by using a plurality of melting furnaces
|
|
JPH07278648A
|
|
Shifting furnace hearth type heat holding system
|
|
JPH06294586A
|
|
Dioxin generation preventing method for scrap melting furnace and its pre-heating device, and dioxin generation preventing device
|
|
JPH05105940A
|
|
Method for improving surface property of profile bar steel and cooling device used to same method
|
|
JPH0576933A
|
|
Automatic heat number marking device
|
|
JPH051888A
|
|
Material retaining damper permitting passage of waste gas
|
|
JPH06207781A
|
|
Material retaining damper equipped with shock absorber
|
|
JPH04327309A
|
|
Method for adjusting roll interval of bar mill
|
|
JPH04309789A
|
|
Melting furnace with material preheating tower using waste gas
|
|
JPS6477896A
|
|
Electrode extension connection device in electric furnace
|
|
JPS61173075A
|
|
Method and device for operating plurality of arc furnace
|
|
JPS61127826A
|
|
Cooling device of hot rolled bar steel or the like
|
|
JPS61106727A
|
|
Cooler for surface strengthening of hot rolled steel bar or the like
|
|
JPS6173819A
|
|
Soaking treatment device for cold billet and hot billet
|
|
JPS6096316A
|
|
Adjusting device of rolling temperature of hot rolling material
|
|
JPS6012172A
|
|
Apparatus for immersing liquid into conveyed article during passage
|
|
JPS59215494A
|
|
Method and device for composite working of steel material
|
|
JPS58113321A
|
|
Device for putting hot ingot into and out from heat holding furnace body
|
|
JPS58113320A
|
|
Heat holding device for hot steel ingot
|
