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.)
AUDLEY DUFF LEE DUFF
SANDFORD
Original Assignee
AUDLEY DUFF LEE DUFF
SANDFORD
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 AUDLEY DUFF LEE DUFF, SANDFORDfiledCriticalAUDLEY DUFF LEE DUFF
Priority to ES401770ApriorityCriticalpatent/ES401770A1/es
Publication of ES401770A1publicationCriticalpatent/ES401770A1/es
Procedimiento y dispositivo para producir capas exteriores de piedra u otras particulas en la superficies de masas de hormigon u otros materiales endurecibles.