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 Zani Luigi E Colonna RoccofiledCriticalZani Luigi E Colonna Rocco
Priority to ITGE1982U15112UpriorityCriticalpatent/IT8215112U1/it
Publication of IT8215112V0publicationCriticalpatent/IT8215112V0/it
Publication of IT8215112U1publicationCriticalpatent/IT8215112U1/it
ITGE1982U15112U1982-02-161982-02-16Dispositivo automatico di registro dell'accesso dell'aria alla camera di combustione di una caldaia.
IT8215112U1
(it)