CA919812A - Magnetic drum system - Google Patents
Magnetic drum systemInfo
- Publication number
- CA919812A CA919812A CA136594A CA136594A CA919812A CA 919812 A CA919812 A CA 919812A CA 136594 A CA136594 A CA 136594A CA 136594 A CA136594 A CA 136594A CA 919812 A CA919812 A CA 919812A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic drum
- drum system
- magnetic
- drum
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA136594A CA919812A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74405968A | 1968-07-11 | 1968-07-11 | |
CA53305 | 1969-06-02 | ||
CA136594A CA919812A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA919812A true CA919812A (en) | 1973-01-23 |
Family
ID=25666089
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA136593A Expired CA919811A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
CA136594A Expired CA919812A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
CA136595A Expired CA919813A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA136593A Expired CA919811A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA136595A Expired CA919813A (en) | 1968-07-11 | 1972-03-08 | Magnetic drum system |
Country Status (1)
Country | Link |
---|---|
CA (3) | CA919811A (en) |
-
1972
- 1972-03-08 CA CA136593A patent/CA919811A/en not_active Expired
- 1972-03-08 CA CA136594A patent/CA919812A/en not_active Expired
- 1972-03-08 CA CA136595A patent/CA919813A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA919813A (en) | 1973-01-23 |
CA919811A (en) | 1973-01-23 |
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