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AU153496B2 - Improvements in or-relating to telephone':systems'having facilities for multi-metering - Google Patents
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AU153496B2 - Improvements in or-relating to telephone':systems'having facilities for multi-metering - Google Patents

Improvements in or-relating to telephone':systems'having facilities for multi-metering

Info

Publication number
AU153496B2
AU153496B2 AU212/51A AU21251A AU153496B2 AU 153496 B2 AU153496 B2 AU 153496B2 AU 212/51 A AU212/51 A AU 212/51A AU 21251 A AU21251 A AU 21251A AU 153496 B2 AU153496 B2 AU 153496B2
Authority
AU
Australia
Prior art keywords
metering
facilities
telephone
relating
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 - Lifetime
Application number
AU212/51A
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 Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Filing date
Publication of AU153496B2 publication Critical patent/AU153496B2/en
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU212/51A 1951-01-02 Improvements in or-relating to telephone':systems'having facilities for multi-metering Expired - Lifetime AU153496B2 (en)

Publications (1)

Publication Number Publication Date
AU153496B2 true AU153496B2 (en)

Family

ID=

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