About SUN L
About 富山大 大学院
About NOTOYA HISAKIMI
About YAMADA SHIGERU
About TAKANO NOBORU
About OYAMA TATSUO
About TSUKUDA ICHIZO
About 昭和アルミニウム
About chip (cutting)
About Other cutting
About Ceramic coating to metallic materials
About コーティング
About 超硬合金
About ドリル
About Al
About 穴あけ加工