洪純正

永久性矽化軟底墊材之探討 = Investigation of permanent silicone soft relining materials by: 朱培伸; 洪純正 (Language materials, printed)

純鈦鑄造時不同耐火材對包埋材料熱膨賬度之影響 by: 洪純正; 黃建青 (Language materials, printed)

不同耐火材對純鈦鑄造包埋材料熱膨脹度之影響 = Effect of mold material on thermal expansion of pure titanium casting investment by: 洪純正; 廖友益 (Language materials, printed)