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发明名称
Process of working strip
摘要
申请公布号
US3197995(A)
申请公布日期
1965.08.03
申请号
US19600058078
申请日期
1960.09.23
申请人
HANS OSTERRATH
发明人
OSTERRATH HANS
分类号
B21D22/20
主分类号
B21D22/20
代理机构
代理人
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