Assignee

NAGAO SHINYA

JP·1 granted patent·8 citations·filing 2012–2012

Technology mixB21J1 B21K1 C21D1

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0184US9574250B2Fabrication method for stepped forged materialNAGAO SHINYA·Filed 2012·Granted Feb 21, 2017·8 cites·4 claims

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