AU799007B - Improvements in apparatus for telegraphing sounds
- Google Patents
Improvements in apparatus for telegraphing sounds
Info
Publication number
AU799007B
AU799007BAU7990/07AAU799007AAU799007BAU 799007 BAU799007 BAU 799007BAU 7990/07 AAU7990/07 AAU 7990/07AAU 799007 AAU799007 AAU 799007AAU 799007 BAU799007 BAU 799007B
Authority
AU
Australia
Prior art keywords
telegraphing
sounds
telegraphing sounds
Prior art date
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.)
Axel Wilhelm Emanuel Hjorth Engineer Miistersamuelsgatan Lo Stockholm Tweden Carl Ernst Ljung Walter
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.)
Nautiska Instr AB
Original Assignee
Nautiska Instr AB
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 Nautiska Instr ABfiledCriticalNautiska Instr AB
Priority to AU7990/07ApriorityCriticalpatent/AU799007A/en
Priority claimed from AU7990/07Aexternal-prioritypatent/AU799007A/en
Publication of AU799007BpublicationCriticalpatent/AU799007B/en
Publication of AU799007ApublicationCriticalpatent/AU799007A/en