AU663012A - Improvements in or relating" to telephone systems - Google Patents

Improvements in or relating" to telephone systems

Info

Publication number
AU663012A
AU663012A AU6630/12A AU663012A AU663012A AU 663012 A AU663012 A AU 663012A AU 6630/12 A AU6630/12 A AU 6630/12A AU 663012 A AU663012 A AU 663012A AU 663012 A AU663012 A AU 663012A
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
systems
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.)
Expired
Application number
AU6630/12A
Other versions
AU663012B (en
Inventor
Electrical Eugineer looi West Vanburen Streed Chicago Illinois U. SA John George Blessing
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
Filing date
Publication date
Application filed by Automatic Electric Co filed Critical Automatic Electric Co
Priority to AU6630/12A priority Critical patent/AU663012A/en
Publication of AU663012B publication Critical patent/AU663012B/en
Publication of AU663012A publication Critical patent/AU663012A/en
Expired legal-status Critical Current

Links

AU6630/12A 1912-10-01 Improvements in or relating" to telephone systems Expired AU663012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU6630/12A AU663012A (en) 1912-10-01 Improvements in or relating" to telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU6630/12A AU663012A (en) 1912-10-01 Improvements in or relating" to telephone systems

Publications (2)

Publication Number Publication Date
AU663012B AU663012B (en) 1913-10-14
AU663012A true AU663012A (en) 1913-10-14

Family

ID=

Similar Documents

Publication Publication Date Title
AU559512A (en) 0 Improvements in or relating to telephone systems
AU663012A (en) Improvements in or relating" to telephone systems
AU476912A (en) Improvements in or relating' to telephone systems
AU476712A (en) Improvements in or relating" to telephone systems
AU476712B (en) Improvements in or relating" to telephone systems
AU476912B (en) Improvements in or relating' to telephone systems
AU663012B (en) Improvements in or relating" to telephone systems
AU559512B (en) 0 Improvements in or relating to telephone systems
AU662812A (en) Improvements in or relating to telephone systems
AU697712A (en) Improvements in or relating to telephone systems
AU477212A (en) Improvements in or relating to telephone systems
AU477312A (en) Improvements in or relating to telephone systems
AU662712A (en) Improvements in or relating to telephone systems
AU476812A (en) Improvements in or relating to telephone systems
AU662912A (en) Improvements in or relating to telephone systems
AU663112A (en) Improvements in or relating to telephone systems
AU663212A (en) Improvements in or relating to telephone systems
AU477112A (en) Improvements in or relating to telephone systems
AU697812A (en) Improvements in or relating to telephone systems
AU699212A (en) Improvements in or relating to telephone systems
AU699512A (en) Improvements in or relating to telephone systems
AU476412A (en) Improvements in or relating to telephone systems
AU663312A (en) Improvements in or relating to signalling' systems
AU760813A (en) Improvements in or relating to telephone systems
AU760913A (en) Improvements in or relating to telephone systems