About KITAMURA KATSUE
About NAKAZAWA ISAMU
About NAKAMURA SHUN'ICHI
About TSUBONE MASAHARU
About KITAMURA JIRO
About SAWAKI SHIN
About 日本補綴歯科学会雑誌
About dental material
About Dental prosthetic materials
About 歯科
About 規格
About 銅合金
About 見解