TW573704U - Improved heat-insulation structure for fireproof door - Google Patents
Improved heat-insulation structure for fireproof doorInfo
- Publication number
- TW573704U TW573704U TW91221285U TW91221285U TW573704U TW 573704 U TW573704 U TW 573704U TW 91221285 U TW91221285 U TW 91221285U TW 91221285 U TW91221285 U TW 91221285U TW 573704 U TW573704 U TW 573704U
- Authority
- TW
- Taiwan
- Prior art keywords
- insulation structure
- improved heat
- fireproof door
- fireproof
- door
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91221285U TW573704U (en) | 2002-12-27 | 2002-12-27 | Improved heat-insulation structure for fireproof door |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW91221285U TW573704U (en) | 2002-12-27 | 2002-12-27 | Improved heat-insulation structure for fireproof door |
Publications (1)
Publication Number | Publication Date |
---|---|
TW573704U true TW573704U (en) | 2004-01-21 |
Family
ID=32734548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW91221285U TW573704U (en) | 2002-12-27 | 2002-12-27 | Improved heat-insulation structure for fireproof door |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW573704U (en) |
-
2002
- 2002-12-27 TW TW91221285U patent/TW573704U/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4K | Issue of patent certificate for granted utility model filed before june 30, 2004 | ||
MM4K | Annulment or lapse of a utility model due to non-payment of fees |