Heat treatment of centrifugally cast hollow bodies
DE816218C
Process for the production of sintered goods on suction sintering systems
DE818052C
Process for the production of Duengekalk
DE825453C
Double shaft drying oven
DE752211C
Method for increasing the yield of steel during wind freshening in the converter
DE767418C
Process for the production of centrifugal cast workpieces
DE767325C
Method and device for the production of lining material layers in centrifugal casting molds
DE767370C
Device for the production of centrifugal cast hollow bodies, in particular larger wall thicknesses, in centrifugal casting molds charged with lining materials prior to casting
DE767244C
Device for the production of centrifugally cast hollow bodies
DE767243C
Process and system for the production of centrifugal cast workpieces
DE767241C
Support device for gutters that can be pushed in and out in centrifugal casting molds
DE767242C
Method and device for inserting the sealing plug in centrifugal casting molds
DE835039C
Lining for centrifugal molds
DE835377C
Channel made of iron, especially cast iron pipes, joined together in a watertight and gas-tight manner
DE834429C
Compounds for molds and cores containing hydraulic substances
DE833282C
Metallic, preferably iron, objects encased or equipped with insulating layers made of heat-insulating materials, such as in particular pipes, containers or similar workpieces or components
DE833476C
Process for the production of protective layers on pipes or the like.
DE751703C
Device on electrically operated elevators and cranes, in particular overhead traveling cranes