河井道と新渡戸稲造 : 普連土女学校との縁 (生誕一五〇年記念号)

The findings of this study and those presented in Parts 2-4 demonstrate that different retaining screws from the same manufacturer and/or from different manufacturers have different geometrical design, microstructures, major alloy constituents, and microhardness, and that these differences influence... View More