About TAKEMASU TERUIE
About OZAKI TATSUO
About MATSUNAGA RYOICHI
About YAMASAKI SUSUMU
About SAKAGUCHI MASASHI
About 昭和アルミニウム
About TOMITA KENJI
About 昭和アルミニウム
About ironing (plastic working)
About Press working
About 超音波振動
About しごき加工
About アルミニウム管
About 精密
About 表面仕上げ
About 試作
About 基礎実験