CH4998A -
Device for the production of tubular objects of circular, elliptical, polygonal or any other cross-section from iron and steel rods in red or warm white condition
- Google Patents
Device for the production of tubular objects of circular, elliptical, polygonal or any other cross-section from iron and steel rods in red or warm white condition
Info
Publication number
CH4998A
CH4998ACH4998ACH4998DACH4998ACH 4998 ACH4998 ACH 4998ACH 4998 ACH4998 ACH 4998ACH 4998D ACH4998D ACH 4998DACH 4998 ACH4998 ACH 4998A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heinrich EhrhardtfiledCriticalHeinrich Ehrhardt
Publication of CH4998ApublicationCriticalpatent/CH4998A/en
CH4998A1892-04-011892-04-01
Device for the production of tubular objects of circular, elliptical, polygonal or any other cross-section from iron and steel rods in red or warm white condition
CH4998A
(en)
Device for the production of tubular objects of circular, elliptical, polygonal or any other cross-section from iron and steel rods in red or warm white condition
Device for the production of tubular objects of circular, elliptical, polygonal or any other cross-section from iron and steel rods in red or warm white condition