CA577371A - Door operation and control - Google Patents
Door operation and controlInfo
- Publication number
- CA577371A CA577371A CA577371A CA577371DA CA577371A CA 577371 A CA577371 A CA 577371A CA 577371 A CA577371 A CA 577371A CA 577371D A CA577371D A CA 577371DA CA 577371 A CA577371 A CA 577371A
- Authority
- CA
- Canada
- Prior art keywords
- control
- door operation
- door
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA577371T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA577371A true CA577371A (en) | 1959-06-09 |
Family
ID=35753230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA577371A Expired CA577371A (en) | Door operation and control |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA577371A (en) |
-
0
- CA CA577371A patent/CA577371A/en not_active Expired
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