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.)
WOTA Ltd
Original Assignee
WOTA Ltd
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 WOTA LtdfiledCriticalWOTA Ltd
Priority to ES206058ApriorityCriticalpatent/ES206058A3/es
Publication of ES206058A3publicationCriticalpatent/ES206058A3/es
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
ES206058A1952-10-211952-10-21Perfeccionamientos en las válvulas de paso o de comunicación para los cilindros de las locomotoras de vapor
ExpiredES206058A3
(es)