TWI396632B - - Google Patents

Info

Publication number
TWI396632B
TWI396632B TW96142312A TW96142312A TWI396632B TW I396632 B TWI396632 B TW I396632B TW 96142312 A TW96142312 A TW 96142312A TW 96142312 A TW96142312 A TW 96142312A TW I396632 B TWI396632 B TW I396632B
Authority
TW
Taiwan
Application number
TW96142312A
Other versions
TW200920611A (en
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 filed Critical
Priority to TW96142312A priority Critical patent/TW200920611A/zh
Publication of TW200920611A publication Critical patent/TW200920611A/zh
Application granted granted Critical
Publication of TWI396632B publication Critical patent/TWI396632B/zh

Links

TW96142312A 2007-11-09 2007-11-09 Multifunctional safety compass TW200920611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96142312A TW200920611A (en) 2007-11-09 2007-11-09 Multifunctional safety compass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW96142312A TW200920611A (en) 2007-11-09 2007-11-09 Multifunctional safety compass

Publications (2)

Publication Number Publication Date
TW200920611A TW200920611A (en) 2009-05-16
TWI396632B true TWI396632B (zh) 2013-05-21

Family

ID=44727548

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96142312A TW200920611A (en) 2007-11-09 2007-11-09 Multifunctional safety compass

Country Status (1)

Country Link
TW (1) TW200920611A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112572031A (zh) * 2020-12-28 2021-03-30 西安石油大学 一种数学建模用画图工具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05286299A (ja) * 1992-04-13 1993-11-02 Momohisa Nakamura 円図作成器具
CN2218658Y (zh) * 1995-05-12 1996-01-31 郅郾城 圆规
JPH09131997A (ja) * 1995-11-07 1997-05-20 Motoaki Shimoyama コンパスボード
WO1999026795A1 (fr) * 1997-11-25 1999-06-03 Young Seok Woo Echelle universelle pour le dessin
US20020069540A1 (en) * 1998-11-24 2002-06-13 Philip Forrest Smith Drawing compass
CN2767191Y (zh) * 2004-02-16 2006-03-29 王秀芹 多功能圆规

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05286299A (ja) * 1992-04-13 1993-11-02 Momohisa Nakamura 円図作成器具
CN2218658Y (zh) * 1995-05-12 1996-01-31 郅郾城 圆规
JPH09131997A (ja) * 1995-11-07 1997-05-20 Motoaki Shimoyama コンパスボード
WO1999026795A1 (fr) * 1997-11-25 1999-06-03 Young Seok Woo Echelle universelle pour le dessin
US20020069540A1 (en) * 1998-11-24 2002-06-13 Philip Forrest Smith Drawing compass
CN2767191Y (zh) * 2004-02-16 2006-03-29 王秀芹 多功能圆规

Also Published As

Publication number Publication date
TW200920611A (en) 2009-05-16

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