AU477312A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU477312A
AU477312A AU4773/12A AU477312A AU477312A AU 477312 A AU477312 A AU 477312A AU 4773/12 A AU4773/12 A AU 4773/12A AU 477312 A AU477312 A AU 477312A AU 477312 A AU477312 A AU 477312A
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
AU4773/12A
Other versions
AU477312B (en
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 AU4773/12A priority Critical patent/AU477312A/en
Publication of AU477312B publication Critical patent/AU477312B/en
Publication of AU477312A publication Critical patent/AU477312A/en
Expired legal-status Critical Current

Links

AU4773/12A 1912-05-31 Improvements in or relating to telephone systems Expired AU477312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU4773/12A AU477312A (en) 1912-05-31 Improvements in or relating to telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU4773/12A AU477312A (en) 1912-05-31 Improvements in or relating to telephone systems

Publications (2)

Publication Number Publication Date
AU477312B AU477312B (en) 1913-05-13
AU477312A true AU477312A (en) 1913-05-13

Family

ID=

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