CA693490A - Art of tobacco smoke filters - Google Patents
Art of tobacco smoke filtersInfo
- Publication number
- CA693490A CA693490A CA693490A CA693490DA CA693490A CA 693490 A CA693490 A CA 693490A CA 693490 A CA693490 A CA 693490A CA 693490D A CA693490D A CA 693490DA CA 693490 A CA693490 A CA 693490A
- Authority
- CA
- Canada
- Prior art keywords
- art
- tobacco smoke
- smoke filters
- filters
- tobacco
- 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 |
---|---|---|---|
CA693490T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA693490A true CA693490A (en) | 1964-09-01 |
Family
ID=36003739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA693490A Expired CA693490A (en) | Art of tobacco smoke filters |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA693490A (en) |
-
0
- CA CA693490A patent/CA693490A/en not_active Expired
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