Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Canada Ltd
Original Assignee
Union Carbide Canada Ltd
Publication date
Application grantedgrantedCritical
Publication of CA563555ApublicationCriticalpatent/CA563555A/fr
Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft
Process for producing a component part of a railway switch or a railway crossing and component part of railway switches or railway crossings produced by such process
Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft
Process for producing a component part of a railway switch or a railway crossing and component part of railway switches or railway crossings produced by such process