Material Name Related Specification Chemical Composition 低溫用. Bimetals for Low Temp BL‑1 Zn‑Cu/Ni‑Fe 低溫用. Bimetals for Low Temp BL‑2 JIS C 2530 Ni‑Mn‑Fe/Ni‑Fe 低溫用. Bimetals for Low Temp BL‑3 JIS C 2530 Ni/Ni‑Fe
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