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.)
Cos Vila Pedro
Original Assignee
Cos Vila Pedro
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 Cos Vila PedrofiledCriticalCos Vila Pedro
Priority to ES57739ApriorityCriticalpatent/ES57739A3/en
Publication of ES57739A3publicationCriticalpatent/ES57739A3/en
ES57739A1914-03-071914-03-07
A procedure for the construction of metallic helical brushes, suitable for cleaning the tubular ducts of steam boilers.
ExpiredES57739A3
(en)