材料(煅造) Material (Powder Metallurgy) |
材料(粉末焼結) Material (Powder Metallurgy) |
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加工 Process |
加工 Process |
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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) |
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表明処理(黒染) Surface Treatment (Black Dyeing) |
製品 Product |