TW573704U - Improved heat-insulation structure for fireproof door - Google Patents

Improved heat-insulation structure for fireproof door

Info

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
Application number
TW91221285U
Other languages
Chinese (zh)
Inventor
Kuen-Lin Li
Original Assignee
Kuen-Lin Li
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kuen-Lin Li filed Critical Kuen-Lin Li
Priority to TW91221285U priority Critical patent/TW573704U/en
Publication of TW573704U publication Critical patent/TW573704U/en

Links

TW91221285U 2002-12-27 2002-12-27 Improved heat-insulation structure for fireproof door TW573704U (en)

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)

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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