ZA7293B - Dual-layer magnetic recording tape - Google Patents
Dual-layer magnetic recording tapeInfo
- Publication number
- ZA7293B ZA7293B ZA720093A ZA7293A ZA7293B ZA 7293 B ZA7293 B ZA 7293B ZA 720093 A ZA720093 A ZA 720093A ZA 7293 A ZA7293 A ZA 7293A ZA 7293 B ZA7293 B ZA 7293B
- Authority
- ZA
- South Africa
- Prior art keywords
- dual
- magnetic recording
- recording tape
- layer magnetic
- layer
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11919071A | 1971-02-26 | 1971-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA7293B true ZA7293B (en) | 1972-09-27 |
Family
ID=22383025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA720093A ZA7293B (en) | 1971-02-26 | 1972-01-06 | Dual-layer magnetic recording tape |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT334649B (en) |
BR (1) | BR7201051D0 (en) |
SU (1) | SU633503A3 (en) |
ZA (1) | ZA7293B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3146847C2 (en) * | 1981-11-26 | 1986-04-03 | Blechschmidt, Wolfgang, Dipl.-Ing., 2000 Hamburg | Device for removing petroleum or petroleum fractions from water surfaces |
-
1972
- 1972-01-06 ZA ZA720093A patent/ZA7293B/en unknown
- 1972-02-25 AT AT155372A patent/AT334649B/en not_active IP Right Cessation
- 1972-02-25 BR BR105172A patent/BR7201051D0/en unknown
- 1972-02-25 SU SU721752257A patent/SU633503A3/en active
Also Published As
Publication number | Publication date |
---|---|
BR7201051D0 (en) | 1973-06-14 |
SU633503A3 (en) | 1978-11-15 |
ATA155372A (en) | 1976-05-15 |
AT334649B (en) | 1976-01-25 |
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