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发明名称
A TAPER-EXPANDING MANDREL
摘要
申请公布号
GB1291839(A)
申请公布日期
1972.10.04
申请号
GB19690036371
申请日期
1969.07.18
申请人
JOHN DALE LIMITED
发明人
THOMAS DUNCAN BROWNBILL
分类号
B21D51/36;B65B9/14
主分类号
B21D51/36
代理机构
代理人
主权项
地址
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