TW552949U - Improved structure of mask - Google Patents

Improved structure of mask

Info

Publication number
TW552949U
TW552949U TW91213244U TW91213244U TW552949U TW 552949 U TW552949 U TW 552949U TW 91213244 U TW91213244 U TW 91213244U TW 91213244 U TW91213244 U TW 91213244U TW 552949 U TW552949 U TW 552949U
Authority
TW
Taiwan
Prior art keywords
mask
improved structure
improved
Prior art date
Application number
TW91213244U
Other languages
English (en)
Inventor
Ching-Chi Jang
Original Assignee
Ching-Chi Jang
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 Ching-Chi Jang filed Critical Ching-Chi Jang
Priority to TW91213244U priority Critical patent/TW552949U/zh
Publication of TW552949U publication Critical patent/TW552949U/zh

Links

TW91213244U 2002-08-22 2002-08-22 Improved structure of mask TW552949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW91213244U TW552949U (en) 2002-08-22 2002-08-22 Improved structure of mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW91213244U TW552949U (en) 2002-08-22 2002-08-22 Improved structure of mask

Publications (1)

Publication Number Publication Date
TW552949U true TW552949U (en) 2003-09-11

Family

ID=31885701

Family Applications (1)

Application Number Title Priority Date Filing Date
TW91213244U TW552949U (en) 2002-08-22 2002-08-22 Improved structure of mask

Country Status (1)

Country Link
TW (1) TW552949U (zh)

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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