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.)
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Tonwerk Lausen A G
Original Assignee
Tonwerk Lausen A G
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Filing date
Publication date
Application filed by Tonwerk Lausen A GfiledCriticalTonwerk Lausen A G
Application grantedgrantedCritical
Publication of FR727170ApublicationCriticalpatent/FR727170A/fr
Un procedimiento de fabricación de baldosas y mosaicos de cemento, empleando carbonilla o escorias remanentes de calderas, hornos, fundiciones, ferrocarriles o similares.