Methods of deep drawing or stretch forming sheet steel

申请公布号：GB1093009(A)

申请号：GB19650033619

申请日期：1965.08.05

申请公布日期：1967.11.29

申请人：

JOSEPH LUCAS (INDUSTRIES) LIMITED

发明人：VERNON RAYMOND

分类号：B21D22/20;C21D7/13;C22C38/08

主分类号：B21D22/20

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