CA171722A - Derrick - Google Patents
DerrickInfo
- Publication number
- CA171722A CA171722A CA000171722A CA171722DA CA171722A CA 171722 A CA171722 A CA 171722A CA 000171722 A CA000171722 A CA 000171722A CA 171722D A CA171722D A CA 171722DA CA 171722 A CA171722 A CA 171722A
- Authority
- CA
- Canada
- Prior art keywords
- derrick
- 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 |
---|---|---|---|
CA171722T | 1916-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA171722A true CA171722A (en) | 1916-09-05 |
Family
ID=45291380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000171722A Expired CA171722A (en) | 1916-04-11 | 1916-04-11 | Derrick |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA171722A (en) |
-
1916
- 1916-04-11 CA CA000171722A patent/CA171722A/en not_active Expired
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