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ASTM 60-40-18 융통성 철합성 거미 모래 발사2025-09-12 15:06:49 |
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Ductile Cast Iron ASTM A536 65-45-12 Gear Housing for Industrial Applications2025-10-23 11:06:10 |
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Gray Iron Sand Castings for Valves & Pumps Parts2025-10-29 16:33:53 |