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Home › High-hardness prehardened steel for cold working with excellent machinability, die made of the same for cold working, and method of working the same

High-hardness prehardened steel for cold working with excellent machinability, die made of the same for cold working, and method of working the same

US Patent 6663726 · Granted Dec 16, 2003

Estimated economic value: $193,000 ⓘ

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