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AU149178B2 - Improvements relating to telephone switchboards - Google Patents
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AU149178B2 - Improvements relating to telephone switchboards - Google Patents

Improvements relating to telephone switchboards

Info

Publication number
AU149178B2
AU149178B2 AU34356/50A AU3435650A AU149178B2 AU 149178 B2 AU149178 B2 AU 149178B2 AU 34356/50 A AU34356/50 A AU 34356/50A AU 3435650 A AU3435650 A AU 3435650A AU 149178 B2 AU149178 B2 AU 149178B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone switchboards
switchboards
telephone
relating
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
AU34356/50A
Other versions
AU3435650A (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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU149178B2 publication Critical patent/AU149178B2/en
Publication of AU3435650A publication Critical patent/AU3435650A/en
Expired legal-status Critical Current

Links

AU34356/50A 1950-05-15 Improvements relating to telephone switchboards Expired AU149178B2 (en)

Publications (2)

Publication Number Publication Date
AU149178B2 true AU149178B2 (en) 1950-07-20
AU3435650A AU3435650A (en) 1950-07-20

Family

ID=

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