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发明名称
Pilgerschrittwalzwerk zum Auswalzen von Rohren aus hartem Metall
摘要
申请公布号
DE640209(C)
申请公布日期
1936.12.24
申请号
DE1934T044749D
申请日期
1934.12.20
申请人
Tube Reducing Corporation
发明人
分类号
B21B21/00;B21B21/02
主分类号
B21B21/00
代理机构
代理人
主权项
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