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发明名称
IMPROVEMENTS IN THE PLUG DRAWING OF TUBES
摘要
申请公布号
GB2170132(B)
申请公布日期
1988.05.25
申请号
GB19860001085
申请日期
1986.01.17
申请人
* NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
GERALD MAYNARD * JONES;DENNIS HUGH * SANSOME
分类号
B21C1/24;B21C3/16;B21C9/00;(IPC1-7):B21C3/16
主分类号
B21C1/24
代理机构
代理人
主权项
地址
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