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经营范围
发明名称
Bending tubes
摘要
申请公布号
GB2001882(A)
申请公布日期
1979.02.14
申请号
GB19780031098
申请日期
1978.07.25
申请人
SCHMIDT H
发明人
分类号
B21D9/00;B21C37/28;B21D9/08;B44B5/00;(IPC1-7):B21D7/16
主分类号
B21D9/00
代理机构
代理人
主权项
地址
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