Languages
許垠翔
Overview
| Works: | 2 works in 1 publications in 1 languages | |
|---|---|---|
Titles
盤頭梅花孔螺絲冷鍛頭部缺陷改善 = = Improvement of the defect of torx pan head screw by using cold forging process /
by:
許垠翔
(Language materials, printed)