杜讚發

Overview

Works:	3 works in 3 publications in 1 languages

Titles

f25c滲鉻處理耐磨耗性探討=effect of f25c by chromium diffusion coating by: 中州工商專科學校機械工程科; 杜讚發 (Microfilm)

s20c鋼材焊接部滲鋁特性研究 by: 中州工業專科學校機械工程科; 杜讚發 (Microfilm) , [著]

珠寶之精密鑄造 by: 杜讚發 (Language materials, printed) , [著]

Subjects

珠寶工