AU634512B - Improvements in automatic telephone exchange systems - Google Patents
Improvements in automatic telephone exchange systemsInfo
- Publication number
- AU634512B AU634512B AU6345/12A AU634512A AU634512B AU 634512 B AU634512 B AU 634512B AU 6345/12 A AU6345/12 A AU 6345/12A AU 634512 A AU634512 A AU 634512A AU 634512 B AU634512 B AU 634512B
- Authority
- AU
- Australia
- Prior art keywords
- telephone exchange
- automatic telephone
- exchange systems
- systems
- automatic
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US191221008XA | 1911-09-14 | 1911-09-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU634512A AU634512A (en) | 1912-09-17 |
AU634512B true AU634512B (en) | 1912-09-17 |
Family
ID=32394226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU6345/12A Expired AU634512B (en) | 1911-09-14 | 1912-09-09 | Improvements in automatic telephone exchange systems |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU634512B (en) |
DE (1) | DE264532C (en) |
GB (1) | GB191221008A (en) |
NL (1) | NL1516C (en) |
-
1912
- 1912-08-16 NL NL999A patent/NL1516C/en active
- 1912-09-09 AU AU6345/12A patent/AU634512B/en not_active Expired
- 1912-09-11 DE DE1912264532D patent/DE264532C/de not_active Expired
- 1912-09-14 GB GB191221008D patent/GB191221008A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB191221008A (en) | 1913-04-24 |
DE264532C (en) | 1913-09-25 |
NL1516C (en) | 1916-09-15 |
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