ZA72969B - Improvements in electrical protective circuits - Google Patents
Improvements in electrical protective circuitsInfo
- Publication number
- ZA72969B ZA72969B ZA720969A ZA72969A ZA72969B ZA 72969 B ZA72969 B ZA 72969B ZA 720969 A ZA720969 A ZA 720969A ZA 72969 A ZA72969 A ZA 72969A ZA 72969 B ZA72969 B ZA 72969B
- Authority
- ZA
- South Africa
- Prior art keywords
- protective circuits
- electrical protective
- electrical
- circuits
- protective
- Prior art date
Links
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA720969A ZA72969B (en) | 1972-02-15 | 1972-02-15 | Improvements in electrical protective circuits |
CA163,500A CA973630A (en) | 1972-02-15 | 1973-02-12 | Track circuits |
AU52114/73A AU455440B2 (en) | 1972-02-15 | 1973-02-13 | Improvements in electrical protective circuits |
GB734473A GB1404878A (en) | 1972-02-15 | 1973-02-14 | Track circuits |
IT7348268A IT977355B (en) | 1972-02-15 | 1973-02-15 | IMPROVEMENTS IN ELECTRIC PROTECTION CIRCUITS |
JP48019141A JPS4888608A (en) | 1972-02-15 | 1973-02-15 | |
FR7305418A FR2172312B3 (en) | 1972-02-15 | 1973-02-15 | |
DE19732307475 DE2307475A1 (en) | 1972-02-15 | 1973-02-15 | ELECTRICAL PROTECTION CIRCUIT FOR SHORT RAIL TRACKS IN PARTICULAR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA720969A ZA72969B (en) | 1972-02-15 | 1972-02-15 | Improvements in electrical protective circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA72969B true ZA72969B (en) | 1973-04-25 |
Family
ID=25564489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA720969A ZA72969B (en) | 1972-02-15 | 1972-02-15 | Improvements in electrical protective circuits |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS4888608A (en) |
ZA (1) | ZA72969B (en) |
-
1972
- 1972-02-15 ZA ZA720969A patent/ZA72969B/en unknown
-
1973
- 1973-02-15 JP JP48019141A patent/JPS4888608A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4888608A (en) | 1973-11-20 |
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