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发明名称
Production of sheet metal
摘要
申请公布号
US1906297(A)
申请公布日期
1933.05.02
申请号
US19300488694
申请日期
1930.10.14
申请人
WEIRTON STEEL COMPANY
发明人
WILLIAMS JOHN C.;WILLIAMSON JOHN STEWART;ECHOLS JOSEPH;HUNT CLINTON H.;VREELAND GEORGE W.
分类号
C21D8/02
主分类号
C21D8/02
代理机构
代理人
主权项
地址
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