Dual-tip highlighter

作者: Yuemin Shi

DOI:

关键词:

摘要:

参考文章(24)
Jerome P Vogel, Double-ended ball point pen ,(1959)
Te-ming Huang, Pen-shaped staple remover ,(2004)
Bret R. Marschand, Neville E. Andrews, Writing assembly with eraser assembly ,(2003)
Robert G. Russell, Beth C. Russell, Marker device with attached cap ,(2000)
Rira Yasoshima, Plural-nibbed marking pen ,(1995)
Michael Kent, William D. Hester, Gregory Hoffmann, Marker handle and cap ,(2004)