蔡竹根

Overview

Works:	3 works in 3 publications in 1 languages

Titles

發明指南 by: 蔡竹根; 豐責豐雄 (Language materials, printed) , [譯]

提案制度與專利管理 by: 蔡竹根 (Language materials, printed) , [編譯]

新式樣專利 by: 蔡竹根 (Language materials, printed) , [著]

Subjects

發明