Title:
【考案の名称】分度器を併用したコンバスを追加します
Document Type and Number:
Japanese Patent JP3066606
Kind Code:
U
Inventors:
Yuzo Tanaka
Application Number:
JP982298U
Publication Date:
March 03, 2000
Filing Date:
November 06, 1998
Export Citation:
Assignee:
Yuzo Tanaka
International Classes:
(IPC1-7): B43L9/02; B43L13/00