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TW409684U - Improved ellipse compass structure - Google Patents

Improved ellipse compass structure

Info

Publication number
TW409684U
TW409684U TW088218239U TW88218239U TW409684U TW 409684 U TW409684 U TW 409684U TW 088218239 U TW088218239 U TW 088218239U TW 88218239 U TW88218239 U TW 88218239U TW 409684 U TW409684 U TW 409684U
Authority
TW
Taiwan
Prior art keywords
compass structure
improved ellipse
ellipse compass
improved
ellipse
Prior art date
Application number
TW088218239U
Other languages
Chinese (zh)
Inventor
Wen-De Shiu
Original Assignee
Welters Co Ltd
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 Welters Co Ltd filed Critical Welters Co Ltd
Priority to TW088218239U priority Critical patent/TW409684U/en
Publication of TW409684U publication Critical patent/TW409684U/en

Links

TW088218239U 1999-10-27 1999-10-27 Improved ellipse compass structure TW409684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW088218239U TW409684U (en) 1999-10-27 1999-10-27 Improved ellipse compass structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW088218239U TW409684U (en) 1999-10-27 1999-10-27 Improved ellipse compass structure

Publications (1)

Publication Number Publication Date
TW409684U true TW409684U (en) 2000-10-21

Family

ID=21655332

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088218239U TW409684U (en) 1999-10-27 1999-10-27 Improved ellipse compass structure

Country Status (1)

Country Link
TW (1) TW409684U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI795920B (en) * 2021-09-24 2023-03-11 崑山科技大學 elliptical plotter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI795920B (en) * 2021-09-24 2023-03-11 崑山科技大學 elliptical plotter

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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