AU662812A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU662812A
AU662812A AU6628/12A AU662812A AU662812A AU 662812 A AU662812 A AU 662812A AU 6628/12 A AU6628/12 A AU 6628/12A AU 662812 A AU662812 A AU 662812A AU 662812 A AU662812 A AU 662812A
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
AU6628/12A
Other versions
AU662812B (en
Inventor
Electrical Engineer looi West Van Burin Streed Chicago Illinois U. SA Fritz Lehberger
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 AU6628/12A priority Critical patent/AU662812A/en
Publication of AU662812B publication Critical patent/AU662812B/en
Publication of AU662812A publication Critical patent/AU662812A/en
Expired legal-status Critical Current

Links

AU6628/12A 1912-10-01 Improvements in or relating to telephone systems Expired AU662812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU6628/12A AU662812A (en) 1912-10-01 Improvements in or relating to telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU6628/12A AU662812A (en) 1912-10-01 Improvements in or relating to telephone systems

Publications (2)

Publication Number Publication Date
AU662812B AU662812B (en) 1913-10-14
AU662812A true AU662812A (en) 1913-10-14

Family

ID=

Similar Documents

Publication Publication Date Title
AU476812A (en) Improvements in or relating to telephone systems
AU663112A (en) Improvements in or relating to telephone systems
AU662712A (en) Improvements in or relating to telephone systems
AU663212A (en) Improvements in or relating to telephone systems
AU477312A (en) Improvements in or relating to telephone systems
AU697712A (en) Improvements in or relating to telephone systems
AU662812A (en) Improvements in or relating to telephone systems
AU662912A (en) Improvements in or relating to telephone systems
AU697812A (en) Improvements in or relating to telephone systems
AU477212A (en) Improvements in or relating to telephone systems
AU477112A (en) Improvements in or relating to telephone systems
AU476412A (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
AU559512A (en) 0 Improvements in or relating to telephone systems
AU476812B (en) Improvements in or relating to telephone systems
GB191312035A (en) Improvements in or relating to Telephone Systems.
AU720412A (en) Improvements in or relating to telephone systems including party lines
AU697812B (en) Improvements in or relating to telephone systems
AU699212B (en) Improvements in or relating to telephone systems
AU662812B (en) Improvements in or relating to telephone systems
AU663112B (en) Improvements in or relating to telephone systems
AU663212B (en) Improvements in or relating to telephone systems
AU697712B (en) Improvements in or relating to telephone systems
AU477312B (en) Improvements in or relating to telephone systems