CA221334A - Raising and lowering step - Google Patents
Raising and lowering stepInfo
- Publication number
- CA221334A CA221334A CA221334A CA221334DA CA221334A CA 221334 A CA221334 A CA 221334A CA 221334 A CA221334 A CA 221334A CA 221334D A CA221334D A CA 221334DA CA 221334 A CA221334 A CA 221334A
- Authority
- CA
- Canada
- Prior art keywords
- raising
- lowering step
- lowering
- 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 |
---|---|---|---|
CA221334T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA221334A true CA221334A (en) | 1922-07-25 |
Family
ID=35116937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA221334A Expired CA221334A (en) | Raising and lowering step |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA221334A (en) |
-
0
- CA CA221334A patent/CA221334A/en not_active Expired
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