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Application filed by Ernst Oscar Johansson, Knut Vilhelm LindkvistfiledCriticalErnst Oscar Johansson
Application grantedgrantedCritical
Publication of DK61030CpublicationCriticalpatent/DK61030C/en
DK61030D1940-02-151940-02-15
Procedure for the Manufacture of Building Materials and Form Boxes for Use in the Execution of the Procedure.
DK61030C
(en)