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公开(公告)号：US1285749A
公开(公告)日：1918-11-26
申请号：US2828215
申请日：1915-05-15
Applicant: BETHLEHEM STEEL CORP
Inventor： LEWIS ROY A , SHIMER WILLIAM ROBERT , THOMAS WILLIAM J
CPC classification number: C22C38/04 , C21D2211/005
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公开(公告)号：US1285748A
公开(公告)日：1918-11-26
申请号：US2828115
申请日：1915-05-15
Applicant: BETHLEHEM STEEL CORP
Inventor： LEWIS ROY A , SHIMER WILLIAM ROBERT , THOMAS WILLIAM J
CPC classification number: C21D9/04
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