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公开(公告)号：US3169424A
公开(公告)日：1965-02-16
申请号：US16988862
申请日：1962-01-30
Applicant: GEN ELECTRIC
Inventor： BRANSCOM GLENN A , CHAUSSE BURNETTE P , LINDNER JOHN A , THOMPSON KENNETH R
IPC: B21B37/18
CPC classification number: B21B37/18
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