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发明名称
METHOD AND APPARATUS FOR PRODUCING STEPPED PRESSED ARTICLES
摘要
申请公布号
GB9306019(D0)
申请公布日期
1993.05.12
申请号
GB19930006019
申请日期
1993.03.23
申请人
MANNESMANN AG
发明人
分类号
B22F3/00;B30B11/00;B30B11/02
主分类号
B22F3/00
代理机构
代理人
主权项
地址
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