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经营范围
发明名称
Improvements in or relating to the stretching seamless metallic hollow bodies
摘要
申请公布号
GB789155(A)
申请公布日期
1958.01.15
申请号
GB19560008869
申请日期
1956.03.21
申请人
EUGEN WEISS
发明人
分类号
B21B17/02;B21B17/04;B21C3/08
主分类号
B21B17/02
代理机构
代理人
主权项
地址
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