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.)
HENRI ZANIEWSKI
Original Assignee
HENRI ZANIEWSKI
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 HENRI ZANIEWSKIfiledCriticalHENRI ZANIEWSKI
Priority to ES406478ApriorityCriticalpatent/ES406478A2/es
Publication of ES406478A2publicationCriticalpatent/ES406478A2/es
ES406478A1972-09-081972-09-08Perfeccionamientos en la construccion de aparatos para au- mentar y estabilizar el tiro de las chimeneas.
ExpiredES406478A2
(es)