|  | 材料(煅造) Material (Powder Metallurgy) |  | 材料(粉末焼結) Material (Powder Metallurgy) | |
|  | 加工 Process |  | 加工 Process | |
|  | 表明処理(蒸気防錆処理) Surface Treatment (Chromium Plating) |  | 表明処理(蒸気防錆処理) Surface Treatment (Steam Anticorrosive Treatment) | |
|  | 表明処理(黒染) Surface Treatment (Black Dyeing) | 製品 Product | ||
