BR6909521D0 - Filtro para fumaca de tabaco - Google Patents
Filtro para fumaca de tabacoInfo
- Publication number
- BR6909521D0 BR6909521D0 BR20952169A BR20952169A BR6909521D0 BR 6909521 D0 BR6909521 D0 BR 6909521D0 BR 20952169 A BR20952169 A BR 20952169A BR 20952169 A BR20952169 A BR 20952169A BR 6909521 D0 BR6909521 D0 BR 6909521D0
- Authority
- BR
- Brazil
- Prior art keywords
- tobacco smoke
- smoke filter
- filter
- tobacco
- smoke
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73667068A | 1968-06-13 | 1968-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR6909521D0 true BR6909521D0 (pt) | 1973-01-30 |
Family
ID=24960812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR20952169A BR6909521D0 (pt) | 1968-06-13 | 1969-06-06 | Filtro para fumaca de tabaco |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR6909521D0 (pt) |
-
1969
- 1969-06-06 BR BR20952169A patent/BR6909521D0/pt unknown
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