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 Pierre BonnetfiledCriticalPierre Bonnet
Application grantedgrantedCritical
Publication of DK78799CpublicationCriticalpatent/DK78799C/da
DK140952A1952-01-091952-05-01Hullegeme til udfyldning ad hulrum mellem ribberne på en betonplade med ribber, der skærer hinanden under rette vinkler.
DK78799C
(da)