TW411975U - Fireproof door structure improvement - Google Patents

Fireproof door structure improvement

Info

Publication number
TW411975U
TW411975U TW88202225U TW88202225U TW411975U TW 411975 U TW411975 U TW 411975U TW 88202225 U TW88202225 U TW 88202225U TW 88202225 U TW88202225 U TW 88202225U TW 411975 U TW411975 U TW 411975U
Authority
TW
Taiwan
Prior art keywords
door structure
fireproof door
structure improvement
fireproof
improvement
Prior art date
Application number
TW88202225U
Other languages
Chinese (zh)
Inventor
Chuen-Lung Chen
Guan-Ren Chen
Original Assignee
Chen Chuen Lung
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 Chen Chuen Lung filed Critical Chen Chuen Lung
Priority to TW88202225U priority Critical patent/TW411975U/en
Publication of TW411975U publication Critical patent/TW411975U/en

Links

TW88202225U 1999-03-24 1999-03-24 Fireproof door structure improvement TW411975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW88202225U TW411975U (en) 1999-03-24 1999-03-24 Fireproof door structure improvement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW88202225U TW411975U (en) 1999-03-24 1999-03-24 Fireproof door structure improvement

Publications (1)

Publication Number Publication Date
TW411975U true TW411975U (en) 2000-11-11

Family

ID=21644881

Family Applications (1)

Application Number Title Priority Date Filing Date
TW88202225U TW411975U (en) 1999-03-24 1999-03-24 Fireproof door structure improvement

Country Status (1)

Country Link
TW (1) TW411975U (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