Aktiengesellschaft Neue Photographische Gesellschaft
Original Assignee
Neue Photographische Ges Ag
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 Neue Photographische Ges AgfiledCriticalNeue Photographische Ges Ag
Publication of CH31321ApublicationCriticalpatent/CH31321A/de