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发明名称
PROCESS AND AN INSTALLATION FOR THE PRODUCTION OF SEAMLESS METAL TUBES
摘要
申请公布号
GB1449662(A)
申请公布日期
1976.09.15
申请号
GB19730042092
申请日期
1973.09.07
申请人
VALLOUREC
发明人
分类号
B21B17/02;B21B17/04;B21B23/00;B21B25/00;(IPC1-7):B21B25/00
主分类号
B21B17/02
代理机构
代理人
主权项
地址
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