CA74007A - Railway frog - Google Patents
Railway frogInfo
- Publication number
- CA74007A CA74007A CA000074007A CA74007DA CA74007A CA 74007 A CA74007 A CA 74007A CA 000074007 A CA000074007 A CA 000074007A CA 74007D A CA74007D A CA 74007DA CA 74007 A CA74007 A CA 74007A
- Authority
- CA
- Canada
- Prior art keywords
- railway frog
- frog
- railway
- 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 |
---|---|---|---|
CA74007T | 1901-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA74007A true CA74007A (en) | 1901-12-03 |
Family
ID=45190544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000074007A Expired CA74007A (en) | 1901-01-12 | 1901-01-12 | Railway frog |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA74007A (en) |
-
1901
- 1901-01-12 CA CA000074007A patent/CA74007A/en not_active Expired
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