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20CrMnMo 42CrMo4 Forged Disc Heavy Duty Industrial Alloy Steel CNC Forging2025-07-11 11:22:44 |
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20CrMnTi 18CrNiMo7-6 Kute stal stopowa na odkuwki na wały zębate2025-07-11 13:24:53 |