AU2158435A - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU2158435A
AU2158435A AU21584/35A AU2158435A AU2158435A AU 2158435 A AU2158435 A AU 2158435A AU 21584/35 A AU21584/35 A AU 21584/35A AU 2158435 A AU2158435 A AU 2158435A AU 2158435 A AU2158435 A AU 2158435A
Authority
AU
Australia
Prior art keywords
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
AU21584/35A
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 Ltd
Original Assignee
AUTOMATIC ELECTRIC Co Ltd
Filing date
Publication date
Application filed by AUTOMATIC ELECTRIC Co Ltd filed Critical AUTOMATIC ELECTRIC Co Ltd
Publication of AU2158435A publication Critical patent/AU2158435A/en
Expired legal-status Critical Current

Links

AU21584/35A 1935-02-28 Improvements in telephone systems Expired AU2158435A (en)

Publications (1)

Publication Number Publication Date
AU2158435A true AU2158435A (en) 1936-03-12

Family

ID=

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